how do gasses interact within the plant cell

Answers

Answer 1
Gases, such as carbon dioxide and oxygen, play important roles in plant cells. They interact with the cell through several processes, including:

1. Diffusion: Gases move in and out of plant cells through diffusion. Diffusion is the movement of molecules from an area of high concentration to an area of low concentration. Plants take in carbon dioxide through small openings called stomata on the surface of leaves. Oxygen is released by plants through the same stomata.

2. Photosynthesis: Carbon dioxide is an important gas for photosynthesis, the process by which plants produce energy. During photosynthesis, carbon dioxide is converted into glucose, which is used by the plant as energy. Oxygen is also produced as a byproduct of photosynthesis.

3. Respiration: Plants, like all living organisms, undergo respiration to produce energy. During respiration, oxygen is taken in and carbon dioxide is released as a byproduct.

4. Transpiration: Transpiration is the process by which water is released from the leaves of plants. During transpiration, water vapor is released through the stomata, along with oxygen and carbon dioxide.

Overall, the interactions of gases within plant cells are essential for the survival and growth of plants. Gases play important roles in photosynthesis, respiration, and transpiration, and are involved in the exchange of materials between the plant and its environment.
Answer 2

Answer: Gases diffuse through air several thousand times faster than through water.

Explanation:


Related Questions

spinal nerves are spinal nerves are purely motor. both sensory and motor. involuntary. interneuronal. purely sensory.

Answers

Spinal nerves are not purely motor or purely sensory, but rather they are mixed nerves that contain both sensory and motor fibers. The sensory fibers in spinal nerves carry information from the body to the central nervous system (CNS), while the motor fibers carry commands from the CNS to the muscles and glands in the body.

Spinal nerves are not purely motor, but rather contain both sensory and motor fibers. These nerves originate from the spinal cord and extend out to various parts of the body. They are essential for transmitting signals between the central nervous system and the rest of the body.

Each spinal nerve contains both sensory and motor fibers, which are bundled together within a protective sheath called the epineurium. The sensory fibers are responsible for transmitting sensory information, such as touch, temperature, and pain, from the body to the spinal cord and brain. The motor fibers, on the other hand, are responsible for transmitting motor commands from the brain and spinal cord to the muscles and other organs.

It's important to note that spinal nerves are not involuntary. In fact, many of the movements that we make every day, such as walking, running, and lifting objects, are under voluntary control and are mediated by spinal nerves.

Spinal nerves also contain interneurons, which are specialized neurons that connect sensory and motor neurons within the central nervous system. These interneurons help to coordinate and integrate information from different parts of the nervous system, allowing for complex movements and behaviors.

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what is the type of alveolar cell that promotes rapid gas diffusion across the alveolar wall is the

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The type of alveolar cell that promotes rapid gas diffusion across the alveolar wall is the type I alveolar cell, also known as the squamous alveolar cell.

These cells are thin and flat, with a large surface area that allows for efficient gas exchange between the alveoli and the surrounding capillaries. The type I alveolar cells are essential for the diffusion of oxygen from the air into the bloodstream, as well as the removal of carbon dioxide from the bloodstream into the air in the lungs.

These cells also play a critical role in maintaining the structural integrity of the alveolar walls and preventing the collapse of the air sacs during exhalation. Type I alveolar cells are highly specialized and cannot be replaced if damaged, which underscores the importance of protecting and maintaining lung health.

The type I alveolar cell is the primary cell responsible for promoting rapid gas diffusion across the alveolar wall, making it a vital component of the respiratory system.

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why is it important that the unmutated pglo plasmid is digested with the same restriction enzymes as the mutated pglo plasmid?

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It is important to digest the unmutated pglo plasmid with the same restriction enzymes as the mutated pglo plasmid in order to ensure that they have the same recognition sites for the enzymes.

This ensures that the unmutated and mutated plasmids will have the same size and fragment pattern after digestion, which is essential for proper analysis and comparison.

If different enzymes were used to digest the two plasmids, their fragment patterns would be different, making it difficult to compare them and determine the effect of the mutation.

Therefore, using the same restriction enzymes is necessary for consistency and accurate analysis of the genetic material.

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a protein kinase is an enzyme that . group of answer choices activates or inactivates other proteins by adding a phosphate group to them processes a second messenger molecule serves as a receptor for various signal molecules functions as a second messenger molecule

Answers

An enzyme called a protein kinase works as a receptor for different signal molecules and a second messenger molecule. Enzymes that catalyse the transfer of phosphate between their substrates include protein kinases and phosphatases. Hence (c) is the correct option.

A protein phosphatase catalyses the transfer of phosphate from a phosphoprotein to a water molecule, whereas a protein kinase catalyses the transfer of -phosphate from ATP (or GTP) to its protein substrates. Many crucial metabolic enzymes are phosphorylated by protein kinase A. For instance, pyruvate dehydrogenase and acetyl-CoA carboxylase are phosphorylated by protein kinase A. These enzymes are inhibited by the covalent modification, which prevents lipogenesis and encourages net gluconeogenesis.

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A protein kinase is an enzyme that . group of answer choices

a. activates or inactivates other proteins

b. by adding a phosphate group to them

c. processes a second messenger molecule serves as a receptor for various signal molecules

d. functions as a second messenger molecule

laura consumes a sugar-frosted doughnut for a snack. in her gastrointestinal tract, the sucrose in the doughnut is digested into ________ molecules.

Answers

laura consumes a sugar-frosted doughnut for a snack. in her gastrointestinal tract, the sucrose in the doughnut is digested into  glucose and fructose molecules.

In Laura's gastrointestinal lot, the sucrose in the sugar-glazed donut is processed into glucose and fructose particles. Sucrose is a disaccharide made out of one glucose particle and one fructose atom connected together by a glycosidic bond.

The assimilation of sucrose includes the activity of the protein sucrase, what breaks the glycosidic connection among glucose and fructose, delivering two monosaccharide particles. Glucose and fructose are basic sugars that can be effectively consumed by the small digestive tract and enter the circulation system. Once consumed, glucose and fructose can be used as a wellspring of energy by cells all through the body, including the cerebrum, muscles, and organs.

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Laura consumes a sugar-frosted doughnut for a snack. In her gastrointestinal tract, the sucrose in the doughnut is digested into glucose and fructose molecules.

Sucrose is a disaccharide, which means it is made up of two simple sugar molecules bonded together. In the case of sucrose, it is made up of one molecule of glucose and one molecule of fructose. During digestion, an enzyme called sucrase breaks down the sucrose into its individual glucose and fructose molecules, which are then absorbed into the bloodstream and used for energy by the body. Carbohydrates, including sugars, are an important source of energy for the body. When we consume foods that contain carbohydrates, our digestive system breaks them down into their individual sugar molecules, which can then be absorbed into the bloodstream and transported to cells throughout the body. Once inside the cells, the sugar molecules are metabolized (broken down) in a process called cellular respiration, which releases energy that the cells can use to carry out their functions.

Sucrose is just one type of sugar that we might consume in our diet. Other types of sugars include glucose (a monosaccharide), fructose (another monosaccharide), lactose (a disaccharide made up of glucose and galactose), and maltose (a disaccharide made up of two glucose molecules). Each of these sugars is digested and metabolized in a slightly different way, but ultimately they all provide the body with a source of energy that is essential for life.

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Which observable process could be used to explain the formation of a
landform such as the Grand Canyon?
O A. Erosion from flowing water over millions of years
B. Flooding and climate change in the past few hundred years
O C. Cracks from tectonic movement when Earth was formed
D. Sediments carried by glaciers and deposited thousands of years
ago

Answers

A. Erosion from flowing water over millions of years could explain the formation of a landform such as the Grand Canyon.

The Grand Canyon was formed by the erosion of the Colorado River over millions of years, carving through layers of rock to create the iconic canyon. The river cut through the rock layers due to the force of flowing water, which gradually wore away the softer rock and sediment, leaving behind the harder rock layers that form the canyon walls.

This process of erosion by water is a common mechanism for the formation of many landforms, such as canyons, valleys, and gorges, especially in regions with significant water flow over long periods.

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Answer:

A. Erosion from flowing water over millions of years.

Explanation:

The Grand Canyon is a natural wonder that was formed over millions of years by the Colorado River eroding the rock formations in the area. The river slowly cut through layers of rock and sediment, carving out the deep canyon that we see today. This process is an example of the long-term effects of water erosion on landforms. Over time, flowing water can create intricate networks of channels and valleys, as well as carving out deep canyons like the Grand Canyon. Other factors, such as tectonic movement, sediment deposition, and climate change, may also play a role in shaping landforms, but in the case of the Grand Canyon, erosion by water is the primary cause.

how was the bacterium e.coli played a role in the development of biotechnology

Answers

Answer:The bacterium Escherichia coli (E. coli for short) is crucial in modern biotechnology. Scientists use it to store DNA sequences from other organisms, to produce proteins and to test protein function.

Explanation:

1. Identify the part of the flower indicated with

the arrow. What is its function?

Answers

The part of the flower indicated with the arrow is stem.

A stem refers to the main structural part of a plant that supports leaves, flowers, and fruits, and serves as a conduit for water, nutrients, and sugars between roots and leaves. Stems are crucial for the growth and development of plants, and they have several important functions.

Structural support: The stem provides support for the plant, holding it upright and maintaining its shape. It helps plants resist the force of gravity and withstand external pressures such as wind, rain, and snow.

Transport of water and nutrients: The stem contains vascular tissues, including xylem and phloem, which transport water, nutrients, and sugars throughout the plant. Xylem conducts water and minerals from the roots to the leaves, while phloem transports sugars and other organic molecules from the leaves to other parts of the plant.

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true or false: for humans and other animals, the ability to move is essential to maintaining homeostasis.

Answers

True. Homeostasis is the process of maintaining a stable internal environment within the body, and movement is an essential part of this process.

Movement promotes healthy body temperature regulation, oxygen and nutrient circulation, and waste product elimination.

The immune system and the cardiovascular system both benefit from regular movement.

For people, exercise promotes stress reduction, a healthy weight, and mental well-being.

Animals who are in motion are more likely to find food, water, and shelter. Other physiological functions like migration and reproduction depend on movement as well.

Therefore, sustaining homeostasis requires mobility in both people and animals.

Complete Questions:

Humans  and other animals need to move in order to maintain homeostasis:

True or False?

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the assimilation of co2 into organic compounds (triose phosphates) in green plants: group of answer choices involves condensation of the two-carbon compound acetate with co2 to form 3-phosphoglycerate. requires nadph. results in the production of atp. takes place at equal rates in light and darkness. takes place in the cytosol.

Answers

The assimilation of CO2 into organic compounds (triose phosphates) in green plants involves the Calvin cycle, which takes place in the stroma of chloroplasts.

What is Calvin cycle?

The Calvin cycle, also known as the light-independent reactions or the dark reactions, is a series of biochemical reactions that take place in the stroma of chloroplasts in photosynthetic organisms such as plants, algae, and some bacteria. The Calvin cycle is responsible for the synthesis of organic molecules, such as glucose, from atmospheric carbon dioxide (CO2).

The Calvin cycle can be summarized as follows:

Carbon fixation: CO2 is incorporated into an organic molecule, ribulose-1,5-bisphosphate (RuBP), to form a six-carbon compound that is immediately split into two molecules of 3-phosphoglycerate (3PG).

Reduction: ATP and NADPH, generated during the light-dependent reactions of photosynthesis, are used to convert 3PG into glyceraldehyde-3-phosphate (G3P).

Regeneration: Some of the G3P produced is used to regenerate RuBP, while the rest is used to synthesize other organic molecules such as glucose and starch.

Therefore, the correct options for the given question would be:

involves the condensation of CO2 with a five-carbon compound (RuBP) to form 3-phosphoglyceraterequires NADPH (in addition to ATP) generated during the light-dependent reactions of photosynthesisresults in the production of ATP (in addition to NADPH)takes place predominantly in the light, as the light-dependent reactions that generate ATP and NADPH occur only in the light.takes place in the stroma of chloroplasts, where the enzymes of the Calvin cycle are located.

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Describe how a saprophytic fungus such as mould obtains it’s food

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Saprophytic fungi play an important role in the ecosystem by breaking down dead organic matter and recycling nutrients back into the environment. Without these organisms, dead organic matter would accumulate, and the nutrients contained within it would become unavailable for use by other living organisms.

Molds grow by sending out thread-like structures called hyphae, which branch out and penetrate the substrate on which they are growing. Saprophytic fungi, such as molds, obtain their food by breaking down dead organic matter.  

When , the organic matter has been broken down, the mold can absorb the resulting nutrients through its cell walls. The nutrients are then transported to the rest of the fungus for use in growth and reproduction.

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What decimated (killed) the elephant population and made it decrease?

Answers

Answer:

Once common throughout Africa and Asia, elephant populations have experienced significant declines over the last century. The greatest threat to African elephants is poaching for the illegal ivory trade, while Asian elephant populations are most at risk from habitat loss and resulting human-elephant conflict.

2. in lab you will be using different antisera to make observations about the abo blood system. a. what do the antibodies in antiserum a target?

Answers

Antiserum A contains antibodies that target the B antigen on red blood cells in the ABO blood system. Antiserum A is a term commonly used in immunology and serology to refer to a type of blood serum that contains antibodies specifically targeting a particular antigen or group of antigens

Antiserum A is a type of blood serum that contains antibodies that specifically target the B antigens on the surface of red blood cells in the ABO blood system. These antibodies are produced by individuals with blood type O or blood type A, as they do not have B antigens on their own red blood cells. When antiserum A is used in a laboratory setting, it is typically used to determine the presence or absence of B antigens on red blood cells, which can help identify the blood type of an individual as either type A or type O.

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The drought and high temperatures last summer have affected the water temperatures and levels of a creek
by the school. The macroinvertebrates (insects, crustaceans, mollusks that bass eat) living in the creek are
reduced by half. Among other fish, the creek normally has 100 bass living there.
1) Draw a graph showing a prediction of what would happen to the bass population of the creek.
2) Explain the difference between density independent and density dependent limiting factors.

Answers

Based on the information provided about the drought, it is likely that the bass population in the creek will be negatively impacted by the reduced number of macroinvertebrates.

How would drought affect the bass population of the creek?

Since bass relies on these organisms as a food source, a reduction in their population could lead to a decline in the number of basses that can survive in the creek. As a result, it is possible that the bass population may decrease in size over time.

Density-independent limiting factors are environmental factors that affect a population regardless of its size or density, such as natural disasters or climate change. These factors can have a significant impact on a population's growth and survival, but they do not depend on the size of the population.

In contrast, density-dependent limiting factors are factors that become more important as the population density increases. For example, competition for resources, predation, and disease are all factors that can limit population growth as the population density increases

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you have synthesized an oligopeptide containing an rgd motif surrounded by other amino acids. what is the effect of this peptide when added to a fibroblast cell culture grown on a layer of fibronectin adsorbed to the tissue culture?

Answers

The oligopeptide containing an RGD motif is a well-known cell adhesion peptide sequence that specifically binds to integrin receptors on the surface of cells, including fibroblasts. When added to a fibroblast cell culture grown on a layer of fibronectin adsorbed to the tissue culture, the RGD-containing peptide can enhance or modulate cell adhesion and spreading.

Fibronectin is a large glycoprotein that is found in the extracellular matrix (ECM) and is a major component of the provisional ECM that is formed during wound healing. It plays a crucial role in cell adhesion, migration, and differentiation. Fibronectin binds to integrin receptors on the surface of cells through the RGD motif and other binding sites, and this interaction is important for cell attachment and spreading.The addition of an RGD-containing peptide to the fibroblast cell culture grown on a layer of fibronectin adsorbed to the tissue culture can compete with the endogenous RGD-binding sites on fibronectin for integrin receptor binding. The RGD peptide may enhance cell adhesion and spreading by providing additional RGD-binding sites for integrins, which can promote stronger cell-matrix interactions.

Overall, the addition of an oligopeptide containing an RGD motif surrounded by other amino acids to a fibroblast cell culture grown on a layer of fibronectin adsorbed to the tissue culture can enhance cell adhesion and spreading by binding to integrin receptors and promoting stronger cell-matrix interactions.

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3. People generally get tired at night. Which hormone is responsible for this tired feeling?

insulin
melatonin
glucagon
corticosteroid

Answers

Answer: Melatonin

Explanation:

Answer: Melatonin

Explanation: Melatonin is the hormone released by your brain to make you feel either sleepy at night time or awake during the day.

investigators have engineered a gene that encodes a protein bearing an er signal sequence followed by a nuclear localization signal. what would be the likely fate of that protein?

Answers

The likely fate of that protein that it will be recognized by an SRP and enter the ER

The protein with an ER signal sequence followed by a nuclear localization signal is most likely to enter the endoplasmic reticulum after being recognised by a signal recognition particle. This happens because the protein is directed to the ER by the ER signal sequence, and the SRP attaches to the sequence to help the protein enter the ER.

A polypeptide sequence found at a protein's N-terminus, sometimes referred to as an endoplasmic reticulum signal, guides the protein's transit to the endoplasmic reticulum. A nuclear localization signal is a brief sequence of amino acids that serves as a signal for the movement of molecules via the nuclear pore complex from the cytoplasm to the nucleus.

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One biome type that has not been as badly threatened as other biomes is
a) arctic tundra.
b) tropical rainforests.
c) grasslands.
d) temperate forests.
e) southern pine forests.

Answers

Grasslands are a biome characterized by vast areas of grasses and herbaceous plants with few or no trees. Option C is correct.

They are found on every continent except Antarctica and can be classified into different types, such as temperate grasslands (e.g., prairies in North America) and tropical grasslands (e.g., savannas in Africa).

In comparison, grasslands (c) have not been as severely threatened, although they are also facing challenges such as conversion of land for agriculture, grazing, and habitat loss due to human activities. However, grasslands have generally been less impacted compared to other biomes, and some grasslands, particularly those that are managed sustainably, still retain significant biodiversity and ecosystem functions.

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One biome type that has not been as badly threatened as other biomes are grasslands. The right option is C.

Grasslands are found in many regions across the world and are characterized by the dominance of grasses, as opposed to trees or other vegetation.

While grasslands have been impacted by human activities such as overgrazing and agricultural expansion, they are generally considered less threatened than other biomes such as tropical rainforests and coral reefs.

This is due in part to the fact that grasslands are often used for grazing or agriculture, which can actually help to maintain the ecosystem if done sustainably.

Additionally, many grasslands are found in temperate regions where there is less pressure from human populations and where conservation efforts have been more successful.

Overall, while grasslands still face threats from climate change and other human activities, they are one of the more resilient biomes and are an important ecosystem to protect. The correct option is C, grasslands.

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My food web is made of ___ ___Each of which Starts with a producer and includes consumers

Answers

Answer:

A food web is made of web chains

My food web is made of food chain, each of which Starts with a producer and includes consumers with their respective trophic levels. Many food chains are intertwined to form a food web that share niches.

A particular ecosystem of a place usually have three different types of food chains. They are; grazing food chain made of producers and primary consumers, consumers food chain made of carnivores, and the detritus food chain made of microbes.

Hence, based on the above-mentioned statements, it can be pointed out that a food web is made of a food chain(s) each of which contains a set of producers and consumers.

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an undergraduate student research assistant is attempting to help estimate the population size of a prairie dog colony, and completes several counts using mark-recapture methods. which factors, other than reproductive rate and survivorship, would be necessary to consider when using the data to construct a life table and estimate the population size and future over time?

Answers

Using reliable mark-recapture techniques, statistical analysis, and consideration of variables like migration, habitat changes, and predation rates in addition to reproductive rate and survivorship.

When using mark-recapture methods to estimate population size and construct a life table for a prairie dog colony, there are several factors to consider in addition to reproductive rate and survivorship. These factors include migration, emigration, immigration, and the potential for changes in habitat and predation rates.

Migration, emigration, and immigration can all affect population size by altering the number of individuals present in the colony at any given time. For example, if some individuals migrate to a different area, the population size will decrease, while immigration will increase it. Emigration can also affect population size, as individuals leaving the colony may not be available for recapture during subsequent mark-recapture surveys.

Changes in habitat, such as the introduction of new food sources or removal of preferred habitats, can also affect population size and survivorship. Predation rates can also have a significant impact on the population size of prairie dog colonies.

To construct an accurate life table and estimate population size and future trends over time, researchers must carefully consider all of these factors and incorporate them into their analysis. Additionally, researchers must ensure that their mark-recapture methods are accurate and reliable and that they are using appropriate statistical methods to analyze their data.

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what might an ecological restorer say about a previously decimated shoreline that successfully regrew vegetation?

Answers

An ecological restorer would likely view the successful regrowth of vegetation on a previously decimated shoreline as a positive sign of ecological restoration. The regrowth of vegetation would indicate that the shoreline is recovering from the damage that was done to it and that the ecosystem is starting to regain its natural balance.

One possible explanation for the regrowth of vegetation could be that the area was subjected to ecological restoration practices such as soil stabilization, the introduction of native plant species, and the removal of invasive species.

Additionally, the ecological restorer may have monitored the progress of the restoration project by conducting regular surveys of the plant and animal populations in the area. These surveys would have provided valuable information about the health of the ecosystem and allowed the restorer to adjust their restoration efforts as needed.

Overall, the success of the vegetation regrowth would be seen as a positive step towards restoring the shoreline to its natural state, and an ecological restorer would likely be encouraged to continue their restoration efforts to ensure the long-term health of the ecosystem.

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ow did the national geographic video use media to aid understanding of how flu viruses spread? a. slow-motion graphics showed how droplets pass through the air. b. photographs illustrated a farm yard where animals got sick. c. there were graphs showing statistics of flu cases by year. d. there was a picture of a sick child wearing a pink jacket.

Answers

The national geographic video used media to aid understanding of how flu viruses spread by utilizing slow-motion graphics that showed how droplets pass through the air.

This visual aid helped viewers to better understand the mechanics of transmission. While photographs illustrated a farm yard where animals got sick, and there were graphs showing statistics of flu cases by year, it was the slow-motion graphics that really helped to drive home the message. There was no mention of a picture of a sick child wearing a pink jacket in relation to aiding understanding of how flu viruses spread.

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3. The unit states that any animal that can be domesticated probably already has been. Explain the logic behind the statement.

Answers

If an animal has the potential to be domesticated or brought under human control, then someone somewhere undoubtedly already has, according to the adage. This is because many things have been documented. I would consider this to be persuasive, therefore.

Is it possible to domesticate any animal?Any animal that can be domesticated, the organization claims, has probably already been. The difficulty of domesticating something, despite the fact that it is theoretically feasible, could have a significant historical consequence. Any animal needs to be domesticated, and huge mammals in particular are sometimes dangerous and slow to reproduce. This takes a concentrated effort across many human generations.

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which of the following is true about glucagon's action? group of answer choices glucagon is a signal (that indicates starvation) to stimulate glycogen degradation. glucagon acts mainly on muscle cells to stimulate glycogen breakdown in those cells. glucagon acts directly on a membrane protein called adenylate cyclase which then produces cyclic amp. glucagon is synthesized in the liver. glucagon triggers synthesis of glucose in the liver.

Answers

It is true that glucagon acts as a signal (that denotes famine) to promote glycogen breakdown. Option 1 is Correct.

A crucial factor in controlling the metabolism of glucose is the hormone glucagon, which is generated by the alpha cells of the pancreas. As blood glucose levels drop, the hormone glucagon is released into the bloodstream to tell the liver to release glucose into the bloodstream to keep blood glucose levels stable.

Moreover, glucagon encourages gluconeogenesis, or the production of glucose from non-carbohydrate sources including fatty acids and amino acids. Glucagon stimulates glycogen breakdown and glucose production by acting on liver cells rather than muscle cells. It works by activating an adenylate cyclase-coupled G protein-coupled receptor on the cell membrane, which causes the synthesis. Option 1 is Correct.

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Correct Question:

which of the following is true about glucagon's action? group of answer choices

1. glucagon is a signal (that indicates starvation) to stimulate glycogen degradation.

2. glucagon acts mainly on muscle cells to stimulate glycogen breakdown in those cells.

3. glucagon acts directly on a membrane protein called adenylate cyclase which then produces cyclic amp.

4. glucagon is synthesized in the liver. glucagon triggers synthesis of glucose in the liver.

multicellular parasites group of answer choices are most effectively cleared by type 2 immunity. are most effectively cleared by type 1 immunity. are primarily cleared by the activity of phagocytic cells. provoke strong immune responses due to the high antigenicity of parasite antigens. are cleared by responses occurring in mucosal tissues that are dependent upon iga secretion.

Answers

Multicellular parasites are primarily cleared by the activity of phagocytic cells.

Here, correct option is A.

However, they also provoke strong immune responses due to the high antigenicity of parasite antigens. In terms of specific immune responses, different types of parasites may be effectively cleared by different types of immunity.

Multicellular parasites are most effectively cleared by type 2 immunity. This immune response is characterized by the activation of specific immune cells, such as eosinophils, mast cells, and basophils, which help to combat these larger parasites.

For example, some multicellular parasites may be most effectively cleared by type 2 immunity, while others may be primarily cleared by type 1 immunity. Additionally, some parasites may be cleared by responses occurring in mucosal tissues that are dependent upon IgA secretion.

Therefore, correct option is A.
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2. Discuss three distinguishing characteristics that organisms in the animal kingdom
share.

Answers

Answer:

All of them are multicellular, eukaryotic and are heterotrophic

A(n) __________ is a group within the human species that is identified by a society as presumably having certain biologically inherited physical characteristics.A) race B) ethnic group C) minority group D) out-group

Answers

A race is a group within the human species that is identified by a society as presumably having certain biologically inherited physical characteristics. So, option A is correct.

In many societies, individuals are categorized based on these physical traits, which may include skin color, hair texture, facial features, and other visible differences. These classifications, however, do not necessarily represent the true genetic diversity within the human species. Rather, they are often social constructs that have been used historically to create distinctions between groups of people.

It is important to recognize that these distinctions are not scientifically valid, as genetic variation within any given racial group often exceeds the variation between different racial groups. Nonetheless, the concept of race continues to play a significant role in how societies structure and understand human diversity.

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how is the energy stored in a molecule of atp used by the sodium-potassium pump?

Answers

The energy stored in a molecule of ATP is used by the sodium-potassium pump in order to move ions across the cell membrane against their concentration gradient.

Specifically, the pump uses the energy from the hydrolysis of ATP to transport three sodium ions out of the cell and two potassium ions into the cell.

This process helps to maintain the proper balance of ions inside and outside of the cell, which is important for a variety of cellular functions such as nerve signaling and muscle contraction.

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During normal development in the seminiferous tubules, what class of Tex11 non-expressing somatic cells is responsible for nourishing sperm cells?
A> Leydig cells
C. Sertoli cells

Answers

During normal development in the seminiferous tubules, the class of Tex11 non-expressing somatic cells responsible for nourishing sperm cells is C. Sertoli cells.

Which cell is responsible for the nourishment of sperm?

C. Sertoli cells are responsible for nourishing sperm cells during normal development in the seminiferous tubules. They provide nutrients and support for sperm cells and also regulate the process of spermatogenesis. Leydig cells, on the other hand, are responsible for producing testosterone and are located outside of the seminiferous tubules in the testes.

The epididymis and seminal vesicles are also involved in the production and storage of sperm, as well as the production of seminal fluid that aids in ejaculation. These cells support the development of sperm cells as they mature and travel through the epididymis. Upon ejaculation, sperm cells are mixed with fluids from the seminal vesicles to create semen.

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Question 4

1 pts

When DNA polymerase is in contract with Guanine (G) in the parent strand, what does it add to the

growing daughter strand?

O Thymine (T)

0 Adenine (A)

Phosphate

Cytocine (C)

Answers

the answer is cytocine because Guanine matches with cytocine according to the base paring rules
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