Answer:
1).two molecules are formed, each with an original "upright"
Explanation:
in response to a specific stimulus, autonomic reflex arcs can trigger which responses? multiple select question. smooth muscle contraction skeletal muscle contraction secretion by glands cardiac muscle contraction
smooth muscle contraction ,secretion by glands
are correct responses.in response to a specific stimulus,
autonomic reflex arcs can trigger which responses
Autonomic reflex arcs are neural pathways that control the body's automatic or unconscious functions, such as those controlled by the sympathetic and parasympathetic nervous systems. In response to a specific stimulus, autonomic reflex arcs can trigger a variety of responses, including:
smooth muscle contraction: smooth muscles are found in internal organs and blood vessels and respond to autonomic nervous system signals to change the diameter of blood vessels or the tone of the gut.
secretion by glands: Some glands, such as the sweat or salivary glands, respond to autonomic signals to secrete their products.
Skeletal muscle contraction and cardiac muscle contraction are not correct responses as these are under voluntary control and are not controlled by autonomic nervous system.
Learn more about Autonomic reflex here:
https://brainly.com/question/28145335
#SPJ4
the following shows a high degree of organisation except penicillium, amoeba Proteus, retrovirus and spore
The following shows a high degree of organization except for amoeba Proteus. Therefore, option B is correct.
What is Amoeba proteus?A big species of amoeba called amoeba proteus is connected to another genus of giant amoebae. This protozoan moves and consumes smaller unicellular creatures via extensions called pseudopodia.
Amoeba proteus is significant because it aids in the soil's nutrient recycling. This is so that the amoeba proteus, which feeds on bacteria, may transfer the nutrients from the bacterial cells into its own cells and the environment.
It does not show a high degree of organization. Therefore, option B is correct.
Learn more about Amoeba proteus, here:
https://brainly.com/question/29753978
#SPJ1
when using the basal body temperature method of family planning what should the woman be aware quilzet
The woman should be aware that "her temperature will increase about 0.4° to 0.8° F after ovulation" when using the basal body temperature method of family planning.
The basal body temperature (BBT) method of family planning is a natural method of contraception that is based on the observation of changes in a woman's basal body temperature (BBT) during her menstrual cycle. The BBT is the lowest body temperature that is reached during a 24-hour period, usually during sleep. It is measured with a basal thermometer, which is a special thermometer that can measure temperature to the nearest tenth of a degree.
The BBT method works by tracking a woman's basal body temperature over time, in order to identify patterns and determine the fertile days of her menstrual cycle. Ovulation causes a slight increase in basal body temperature, typically of 0.4-0.8 degrees Fahrenheit, which can be detected by taking the temperature every morning before getting out of bed. By identifying the fertile days of the cycle, a woman can avoid intercourse or use another form of contraception on those days to prevent pregnancy.
Learn more about basal body temperature (BBT) here: https://brainly.com/question/6639541
#SPJ4
subatomic particles called can be found at various distances from the nucleus
Energy levels, or locations of electrons relative to the nucleus, are fixed. Lower energy electrons, which are located nearer the nucleus, have less energy. Protons and neutrons, not electrons are the subatomic particles that are found at various distances from the nucleus, since they are present in orbitals outside the nucleus.
Electrons can only exist in particular locations known as permitted orbits, unlike planets that circle the Sun, which can exist at any arbitrary distance from the nucleus. In order to explain how electrons might have stable orbits around the nucleus, Bohr introduced his quantized shell model of the atom in 1913. According to the amount of energy they possess, electrons in Bohr's atomic model can only move around the nucleus at predetermined distances from it.
To know more about subatomic particles please visit
https://brainly.com/question/29765133
#SPJ4
Electrons are subatomic particles called can be found at various distances from the nucleus.
An electron is a subatomic particle with a negative charge that can be free or bound to an atom. One of the three primary types of particles found within an atom is an electron that is bound to it; the other two are protons and neutrons. The nucleus of an atom is made up of electrons, protons, and neutrons.
Energy levels, or fixed distances from the nucleus, are where electrons are located. There is less energy in electrons closer to the nucleus at lower energy levels.
Know more about electron here: https://brainly.com/question/1255220
#SPJ4
While doing a pedigree analysis of a European royal family, you notice a disease in a female child of two healthy parents. There are also some cousins with the same genetic disease. If this disease is controlled by a single gene, then the most likely explanation for these observations is the disease is
- only seen in heterozygous individuals such as the daughter. - recessive and only seen in homozygous recessive individuals such as the daughter. - dominant and is seen in homozygous dominant or heterozygous individuals. - dominant and only seen in homozygous dominant individuals such as the daughter. - a spontaneous mutation.
Additionally, some cousins have the same hereditary condition in pedigree analysis. The MOST ELIGIBLE explanation for these facts, if this disease is caused by a single gene, is that it is recessive and only affects homozygous recessive people, like the daughter.
Some people may exhibit the phenotype for incompletely penetrant genes whereas others with same genotype might or might not.
Pedigree analysis is used to identify the mode of inheritance, which may be autosomal, mitochondrial, dominant, partial dominant, or sex-linked. Pedigree analysis is the study of how a trait is passed down through a family's generations.
Learn more about pedigree
https://brainly.com/question/30189602
#SPJ4
now examine the lower panel (butterflies), where the curve continues to rise linearly. what does this indicate about the processes structuring the butterfly community?
The linear rise in the curve for the butterfly community in the lower panel indicates that there is a positive relationship between the number of butterfly species and the number of individuals in the community.
+ This suggests that the processes structuring the butterfly community are likely related to the presence and abundance of resources such as food plants and suitable habitat for the butterflies. As the number of individuals in the community increases, the number of different species that can be supported also increases, resulting in a linear relationship between the two. Additionally, this indicates that the butterfly community is likely experiencing a relatively stable and predictable environment, where resources are available to support a diverse population of butterflies.
Learn more about butterfly community here:
https://brainly.com/question/13704153
#SPJ4
if i have 8 dna nucleotides, how many base pairs do i have?
DNA is composed of two complementary strands of nucleotides, which are linked together by the specific base pairing of A with T and C with G. This base pairing allows for the stability and replication of the DNA molecule.
The sequence of bases on one strand determines the complementary sequence on the other strand. So if one strand has the sequence ATGC, the other strand will have the complementary sequence TACG.
Therefore, if you have 8 nucleotides, you would have 4 base pairs because A-T and C-G always come in pairs. Each A on one strand would be paired with T on the other strand and each C on one strand would be paired with G on the other strand.
It is important to note that the number of nucleotides in a DNA strand does not necessarily correspond to the number of base pairs, as the number of base pairs is always half of the number of nucleotides.
Learn more about DNA here: brainly.com/question/316480
#SPJ4
A sugar, a phosphate group, and a nitrogenated base make up a single nucleotide. Each nucleotide has one base. I have eight bases if I have eight DNA nucleotides.
Monomers are nucleotides. Each one is made up of a sugar molecule, a phosphate group, a nitrogenated base, and other elements.
Pyrimines and purines are examples of nitrogenated bases. Thymine or Uracil and Cytosine come from Pyrimidines, whereas Adenine and Guanine come from purines. The genetic instructions for the organism's proper growth and function are outlined in the nucleotidic sequence.
Know more about nucleotides here: https://brainly.com/question/30299889
#SPJ4
some hummingbirds eat small insects as well as plant nectar. why is this adaptation advantageous?
Due to the abundance of food sources, some hummingbirds consume both small insects and plant nectar. Eating insects not only give hummingbirds a varied food supply but also gives them access to food sources that are inaccessible to other nectar-feeders like bees.
Hummingbirds that consume both plant nectar and small insects have an advantage since it gives them access to a variety of foods. This implies that they can still find food from other sources even if one source is scarce or unavailable. Hummingbirds can live and prosper in a variety of situations because of this adaptability, which also improves their chances of surviving during food shortages. In addition, insects are a great source of protein, which is crucial for hummingbird development, especially in the case of their offspring.
To know more about hummingbirds please visit
https://brainly.com/question/22288616
#SPJ4
This adaptation is advantageous as hummingbirds have more food sources, needed to maintain their high metabolism demand.
Hummingbirds are a crucial class of bird species with extremely high metabolism.
The quick energy requirements to sustain this high metabolism comes out from the nectar consumed by hummingbirds throughout the day multiple times.
However hummingbirds can not only survive over nectar alone. They also need to fulfill their protein requirements which eventually comes out by the consumption of fruit flies and small bugs.
This adaptation also provides a chance to increase their domain of food source availability and hence the survival and existence chances.
To know more about hummingbird visit at:
https://brainly.com/question/22288616
#SPJ4
the phase of mitosis during which chromosomes become visible and the centrioles separate from one another is
the phase of mitosis during which chromosomes become visible and the centrioles separate from one another is is termed as prophase.
The chromatin in the cell's nucleus condenses during prophase to produce the visible chromosomes, which are each made up of two sister chromatids that are the same and are connected by a centromere. The centrioles start to travel to the opposing ends of the cell when the nuclear envelope degrades. These occurrences set up the cell for the division of the chromosomes during the metaphase stage of the subsequent mitosis.
The prophase marks the start of the mitotic or meiotic processes, that culminate in the division of the cell into daughter cells.
To know more about prophase, click here,
brainly.com/question/26480290
#SPJ4
Prophase is the stage of Mitosis when chromosomes become visible and centrioles separate from each other.
In cell genetic material is present as Chromatin Reticulum it condenses to form thick thread like structure during Prophase. The Centrioles will generate Spindle fiber's. Spindle fiber's attach to the Kinetochore portion of Chromosome and pull them apart.
The Nuclear envelope disappears and all cell organelles disappear during this phase of cell division. In Meiosis Prophase I is further divided into Leptotene, Zygotene, Pachytene, Diplotene and Diakinesis. Prophase is the preparatory phase in which the cell organelles and nuclear membrane disappear and Chromosome are formed. Chromosome gets visible in cell during Prophase and it is followed by Metaphase, Anaphase and Telophase.
Learn more about Prophase here
https://brainly.com/question/23718222
#SPJ4
This is a picture of sucrose, a disaccharide, a molecule composed of two monosaccharides glucose and fructose What kind of bond is indicated by
the "Y" which connects the two sugar molecules?
The kind of bond indicated by the "Y" which connects the two sugar molecules in sucrose, a disaccharide, a molecule composed of two monosaccharides glucose and fructose, is known as a glycosidic bond.
What is a glycosidic bond?A sort of covalent bond known as a glycosidic bond or glycosidic linkage connects a molecule of carbohydrates to another group, which may or may not be another molecule of carbohydrates. The hydroxyl group of a molecule, such as alcohol, and the hemiacetal or hemiketal group of a saccharide, respectively, form a glycosidic link.
Learn more about a glycosidic bond at:
https://brainly.com/question/6834008
#SPJ1
an organism must maintain a tolerable internal environment including factors such as temperature and acidity in order to preserve a biological balance called
An organism's capacity to maintain internal stability in response to environmental changes is known as homeostasis.
The simple explanation of homeostasis is the body's internal temperature. For brutes to survive, homeostasis is extremely important. It's constantly interpreted as resistance to environmental changes. also, homeostasis is a tone- regulating medium that controls internal factors essential for maintaining life. To put it another way, homeostasis refers to a process that keeps the internal terrain steady in the face of external environmental changes. The body regulates a variety of factors, including body temperature, blood pH, blood sugar situations, fluid balance, sodium, potassium, and calcium ion attention, to maintain homeostasis.
To know more about stability please check the following link
https://brainly.com/question/30370757
#SPJ4
Homeostasis is the ability of an organism to retain internal stability in response to environmental changes.
The body's internal temperature is the simplest way to explain homeostasis. Homeostasis is vital to the survival of brutes. It is frequently seen as a reaction to environmental changes. Additionally, homeostasis is a tone-regulating mechanism that regulates internal elements necessary for sustaining life. To put it another way, homeostasis is a process that maintains the internal landscape constant despite changes in the external environment. In order to maintain homeostasis, the body maintains a number of variables, including as body temperature, blood pH, blood sugar levels, fluid balance, sodium, potassium, and calcium ion attention.
To learn more about biological balance click here:
brainly.com/question/30370757
#SPJ4
Which Print Matches The Crime Scene Print?
Answer:
Explanation:
They’re right up there with snowflakes for uniqueness, only they don’t melt and you have them your whole life: fingerprints. And if you’ve watched even one crime movie or cop show, you know how important fingerprints are in crime scene investigation. In fact, they’re one of the most common types of evidence investigators search for.
Which description supports the claim wat mutations in gametes could cause an increase in genetic diversity in a population?
A. A deletion during meiosis results in a new version of an allele.
B. A drug creates a mutation in a liver cell. The mutated cell multiplies.
C. UV ravs create thymine dimers that negatively affect a skin cell's function.
D. A brain cell has a missense mutation that allows it to function more effectively.
A deletion during meiosis results in a new version of an allele, thus option A is correct.
What is mutation?A mutation is a change to an organism's DNA sequence.. Viral infection, exposure to mutagens, and errors in DNA replication during cell division can all result in mutations. Somatic mutations cannot be passed on to offspring, whereas germline mutations (those that happen in eggs and sperm) can.
Nearly none of the mutations that occur in our cells have any impact on how we feel. What we typically see in science fiction movies is very different from this. A mutation is never so advantageous in real life that it turns a person into a superhero or gives them wings. There are a number of explanations for why mutations rarely have negative consequences. Our cells have highly advanced machinery for quickly correcting mutations, which is one explanation.
To learn more about mutations follow the given link: brainly.com/question/11278415
#SPJ1
Which one of the following is an example of a negative feedback loop in humans?A.Salivation of mouth at the sight of delicious foodB.Constriction of skin blood vessels and contraction of skeletal muscles when it is too coldC.Secretion of sweat glands and constriction of skin blood vessels when it is too hotD.Secretion of tears after falling of sand particles into the eye
The example of negative feedback loop in humans is Constriction of skin blood vessels and contraction of skeletal muscles when it is too cold.
A loop system known as a feedback mechanism responds to perturbation in one of two ways: positively (positive feedback) or negatively (negative feedback) (negative feedback). A biological process, signal, or mechanism that tends to start up (or speed up) or stop down (or inhibit) a process is referred to as a feedback mechanism. When a change in one direction results in a change in the other, negative feedback loops are created. For instance, feedback results from an increase in a substance's concentration, which lowers the substance's content. Mechanisms called negative feedback loops appear to be stable by nature. Negative feedback loops frequently cause a variable's value to oscillate about the set point when they are coupled with the numerous events that can influence it. Examples of negative feedback loops include controlling temperature and blood sugar levels.
For more such questions on feedback mechanisms, refer:
https://brainly.com/question/12688489
#SPJ4
Option B is Correct. When it gets too cold, skeletal muscles contract and blood vessels in the skin constrict, which is an example of a negative feedback loop in humans.
When perturbation occurs, a loop system called a feedback mechanism reacts either positively (positive feedback) or negatively (negative feedback) (negative feedback). A feedback mechanism is a biological process, signal, or mechanism that frequently initiates (or accelerates) or inhibits (or stops down) a process.
Negative feedback loops are produced when a change in one direction causes a change in the other. For instance, feedback happens when a substance's concentration rises and its content decreases. Negative feedback loops are a type of mechanism that by their very nature seem stable.
Learn more about negative feedback Visit : brainly.com/question/4636540
#SPJ4
What elements are necessary to support a wide variety of life for a given region?
The most crucial substances are carbon, hydrogen, oxygen, and nitrogen. Life requires trace amounts of other elements. In living things, carbon predominates over all other elements.
Water and sunlight are the most vital ingredients or elements required to sustain a wide variety of life in a certain area. Soil is another essential component since it aids in the growth of plants and crops. There is also a need for air that is sufficiently oxygenated. Given that savanna/woodland habitats have the highest concentrations of people, they are the vegetation types where human activity and living things is most likely to have a detrimental impact on species diversity.
Tp know more about oxygen, click here:
https://brainly.com/question/13370320
#SPJ4
The most crucial substances are carbon, hydrogen, oxygen, and nitrogen. Life requires trace amounts of other elements. In living things, carbon predominates over all other elements.
Water and sunlight are the most vital ingredients or elements required to sustain a wide variety of life in a certain area. Soil is another essential component since it aids in the growth of plants and crops. There is also a need for air that is sufficiently oxygenated. Given that savanna/woodland habitats have the highest concentrations of people, they are the vegetation types where human activity and living things is most likely to have a detrimental impact on species diversity.
Tp know more about oxygen click here:
brainly.com/question/13370320
#SPJ4
List two ways to ensure the continued supply of freshwater.
Answer:
1.Water conservation: One of the most effective ways to ensure the continued supply of freshwater is to reduce the amount of water that is used and wasted. This can be done through a variety of methods, including fixing leaks, installing low-flow fixtures, and promoting water-saving behaviors among the population.
2.Water reclamation and reuse: Another way to ensure the continued supply of freshwater is to reclaim and reuse wastewater. This can be done by treating wastewater to remove impurities and then using the cleaned water for irrigation, industrial processes, or even for drinking in some cases. This not only reduces the demand for freshwater but also helps to conserve the existing water resources.
what happens to a population when biological evolution takes place? a change takes place in the genetic traits passed from one generation of the population to the next. individuals in the population adapt to the environment by developing new traits during their lifetimes. the population becomes more genetically perfect over time as the best traits are passed to
A change occurs in the genetic traits passed down from one generation to the next.
Natural selection is the process by which living organism populations adapt and change. Individuals in a population are naturally variable, which means they differ in some ways. This variation indicates that some people have traits that are better suited to their environment than others.
Biological evolution is the change in inherited traits in populations of organisms over successive generations. Trait evolution occurs when variation is introduced into a population through gene mutation or genetic recombination or is removed through natural selection or genetic drift.
Learn more about " biological evolution " to visit here;
https://brainly.com/question/24927894
#SPJ4
Based on your data, IDENTIFY a location on the Earth's surface where you would expect the air
to be constantly expanding and rising, regardless of the time of year, and EXPLAIN your
reasoning (Reminder: higher temp air has a low density, so it rises)
The seasonal variations in surface temperature are greater in mid-latitude temperate regions than in polar or tropical locations, with a change from summer to winter of 8 to 15 degrees Celsius in temperate zones compared to only 2 degrees Celsius in these regions.
What is Temperature?Oceans typically have temperatures from -2 to 30 degrees Celsius (28-86o F). The surface water at low latitudes has a tendency to be warmer than that at the poles, which is understandable given how much colder it is there. Remember that the water in the ocean basins is colder on the eastern side than the western side at equal latitudes. The majority of the ocean's water is deeper and cooler, despite the fact that its surface water can be fairly warm. As a result, the average ocean temperature is about 4o C, or roughly the same as the air inside your refrigerator.An average temperature range for mid-latitude, open ocean water. Considering that the sun's rays can only reach depths of less than 1000 m, water is warmed most by the sun at the surface (section 6.5). The surface water stays at the surface where it can be warmed even further because it is less dense due to its warmer temperature than the deep water. The upper 100-200 m, or so-called mixed layer, has a temperature that is largely constant. Surface breezes, waves, and currents combine the upper water to create the mixed layer, which then evenly disperses heat. A rapid temperature drop over a relatively small depth increase is present beneath the mixed layer.The thermocline refers to this. Deep ocean temperatures below the thermocline are pretty stable at around 2° C all the way to the bottom. One of the most thermally stable places on earth, the deep ocean experiences little temperature variation since it is located distant from major heat sources.To Learn more About temperature refer To:
https://brainly.com/question/24746268
#SPJ1
What structures deliver blood to the left side of the heart?
Pulmonary veins deliver blood to the left side of the heart.
The veins that carry oxygenated blood from the lungs to the heart are known as the pulmonary veins. The four primary pulmonary veins—two from each lung—that empty into the left atrium of the heart are the largest pulmonary veins.
The pulmonary circulation includes the pulmonary veins. A superior and an inferior main vein emerge from each hilum, making a total of four main pulmonary veins, two from each lung. Three or four feeder veins in each lung supply blood to the main pulmonary veins, which then drain into the left atrium. The bronchial tree is not followed by the periphery feeding veins. Between the pulmonary segments where they drain the blood, they move.
To know more about pulmonary veins here:
https://brainly.com/question/13484921
#SPJ4
Pulmonary veins deliver blood to the left side of the heart. Large veins known as pulmonary veins carry oxygen-rich blood from your lungs to your left atrium.
The blood vessels that carry freshly oxygenated blood from the lungs to the left atria of the heart are referred to as the lung veins or pulmonary veins. Blood flows from your left atrium to your left ventricle when your mitral valve opens. When the left ventricle is full, it contracts, causing the mitral valve to close and the aortic valve to open. Through your aortic valve, your heart sends blood to your aorta, where it flows to the rest of your body.
Know more about Pulmonary veins here: https://brainly.com/question/29830364
#SPJ4
EASY 30 POINTS!!!
Explain how the Explain how the limiting factors affect carrying capacity in each population.
limiting factors affect carrying capacity in each population.
Limiting factors affect the carrying capacity of each population because organisms have different constraints that hamper full expansion growth.
What are the limiting factors of a biological population?The limiting factors of a biological population are the factors that keep the population from growing or declining beyond its current size. These factors can be physical and/or biological.
Therefore, with this data, we can see that limiting factors such as water available to the population are able to constrain the full growth of a population and therefore they affect the carrying capacity of such individuals.
Learn more about limiting factors here:
https://brainly.com/question/28780228
#SPJ1
The farmer decided that there was no need to add more than 60 kg of fertiliser for Hector explain all the results of the experiment support her decision
The fertilizer must be added according to the land space available.
Why do we add fertilizer?The reason why a farmer would have to add fertilizer to the farm is so that there would be a better yield of the crops that the farmer is trying to plant. It is true that there are nutrients in the soil but they often need to be supported by the use of fertilizer.
Actually, we can find out that fertilizer is added on the bassi of the kind of space that the land occupies. You can't add more fertilizer than the availaible space. This is why the farmer decided that there was no need to add more than 60 kg of fertilizer for Hector.
Learn more about fertilizer:https://brainly.com/question/14012927
#SPJ1
PLS HELP MEEEEEEEEEEEEEE
Answer:
C
Explanation:
the amount of amini acids don’t matter. What matters is the sequence of the amino acid which determines the function of a protein.
1. what is a line of best fit?
2.look at the graph with correlation coefficients of r=0.9 and r= -5. What kind of relationship does each of these values indicate
3. Compare the scatterplot with correlation coefficient of R= 1 and R =0. Use a correlation coefficients to predict how an increase in one variable would affect the other variable for each scatterplot.
A line of best fit is a straight line that is used to describe the relationship between two variables in a scatterplot.
What is a line of best fit?It is the line that best represents the data points on the graph. The correlation coefficient (r) of a line of best fit is a measure of how closely the data points fit the line.For the graph with correlation coefficient of r=0.9, this indicates a strong positive linear relationship between the two variables. This means that as one variable increases, the other variable also increases.For the graph with correlation coefficient of r=-5, this indicates a strong negative linear relationship between the two variables. This means that as one variable increases, the other variable decreases.For the scatterplot with correlation coefficient of R=1, this indicates a perfect positive linear relationship between the two variables. This means that as one variable increases, the other variable increases in the same proportion.For the scatterplot with correlation coefficient of R=0, this indicates no linear relationship between the two variables. This means that an increase in one variable would not affect the other variable.To learn more about correlation coefficient refer to:
https://brainly.com/question/27842223
#SPJ1
Think about why people store food in a refrigerator. How do you
seasons? Construct an explanation using evidence from the lessons
think the activity level of decomposers is affected by the changing
to support your claim, and explain your reasoning.
People store food in a refrigerator to slow down spoilage and to keep food fresh. Decomposers, such as bacteria, fungi, and other organisms, are essential in breaking down organic matter and returning essential nutrients to the environment.
What is bacteria?Bacteria are microscopic, single-celled organisms that are found in virtually every environment on Earth. They are among the most diverse and adaptable organisms in existence, and can be found in virtually every habitat, including soil, water, and deep within the earth’s crust.
The activity level of decomposers is affected by the changing seasons. In cooler months, the activity level of decomposers is slower due to the lower temperature and reduced amount of sunlight. This is why food stored in a refrigerator will last longer during colder seasons. On the other hand, during the warmer months, decomposers become more active due to the increased temperature and more available sunlight. This is why food stored in a refrigerator will spoil faster in warmer seasons. Therefore, storing food in a refrigerator is an effective way to slow down spoilage and keep food fresh for longer periods of time, especially during the colder months.
To learn more about bacteria
https://brainly.com/question/8695285
#SPJ1
what structure prevents food from entering the trachea when you swallow? a. epiglottis b. tongue c. tonsils d. esophagus
Epiglottis is the structure which prevents the food from entering the trachea when we swallow food.
The epiglottis is basically a flap which has similar shape to that of a leaf and is located in the throat and performs the function of preventing water and food from entering the trachea. The epiglottis stays open when we are breathing and hence allows the passage of air into the larynx.
When we are swallowing the food, it closes the passage to the trachea to prevent aspiration of food into the lungs. This forces the swallowed water or food to go along the esophagus or the food pipe and toward the stomach instead.
Hence, the correction option is a. epiglottis.
To know more about epiglottis here
https://brainly.com/question/13252472
#SPJ4
A researcher was studying mutations in bacteria. He found that certain bacteria had changes in their DNA that allowed them to be resistant to antibiotics. This research is an example of
Answer:
Explanation:
The process of transformation allows bacteria to absorb foreign DNA.
A crucial stage in DNA cloning is transformation. Transferring freshly created plasmids to bacteria happens after restriction digest and ligation.
On antibiotic plates, microorganisms are chosen after transformation. Each plasmid-carrying bacterium will establish a colony and is resistant to antibiotics.
Large cultures of identical bacteria can be created by growing colonies with the proper plasmid, which can then be used to generate plasmid or synthesize protein.
The overall picture Clone DNA
A crucial part of DNA cloning is transforming and selecting bacteria. Making several copies of a specific piece of DNA, such as a gene, is the process of DNA cloning. Bacteria frequently produce the duplicates.
A typical cloning experiment involves
What does it mean if a
Moneran is an autotroph?
A. It can produce its own food.
B. It must eat other organisms to
survive.
C. It can only exist in outer space.
D. It is not a living thing.
Answer:
It can produce it's own food
Explanation:
Autotrophic organisms can synthesis their own food by using sunlight or any other sources of energy. If they use light , they are called photoautotrophs and if they use certain chemicals then they are called chemoautotrophs . Some examples of autotrophic bacteria are Anabaena, Nostoc, etc .Simple Question Help Needed
Answer:
the answer is ( d) because they are permanently fixed and usually or easily understood
is the primary link between the endocrine and nervous systems.The hypothalamus, a collection of specialized cells that is located in the lower central part of the brain, is the primary link between the endocrine and nervous systems. Nerve cells in the hypothalamus control the pituitary gland by producing chemicals that either stimulate or suppress hormone secretions from the pituitary.
The hypothalamus is indeed the primary link between the endocrine and nervous systems in the body. It is a small region located in the lower central part of the brain, just above the brainstem. It plays a crucial role in maintaining the body's internal balance, also known as homeostasis.
The hypothalamus controls the pituitary gland, which is often referred to as the "master gland" because it produces and releases a variety of hormones that regulate other endocrine glands. The hypothalamus releases chemicals called neurohormones that either stimulate or suppress hormone secretions from the pituitary gland, such as releasing or inhibiting hormones.
For example, the hypothalamus releases thyrotropin-releasing hormone (TRH), which stimulates the pituitary gland to release thyroid-stimulating hormone (TSH), which in turn stimulates the thyroid gland to produce and release thyroid hormones. Similarly, the hypothalamus releases corticotropin-releasing hormone (CRH) which stimulates the pituitary gland to release adrenocorticotropic hormone (ACTH), which in turn stimulates the adrenal gland to produce and release the stress hormone cortisol.
Additionally, the hypothalamus also receives information from other parts of the body such as the skin, muscles and visceral organs, it also receive information from the nervous system and process it to control the endocrine system, this is how the hypothalamus connects the endocrine and nervous systems, enabling the body to respond to changes in the environment and maintain homeostasis.
Learn more about Hypothalamus here: brainly.com/question/29699760
#SPJ4
The primary link between the endocrine and nervous systems is Hypothalamus.
Endocrine system controls the hormone secretion while the nervous system is responsible to carry out typical signaling of the body system involving the voluntary and involuntary actions.
Hypothalamus is a collection of some specialized cells found in the lower central part of the brain forming a primary link to join the two main systems of the body that is endocrine and the nervous system.
Pituitary gland is controlled by the nerve cells present in the hypothalamus gland which produce chemicals that suppress or stimulate the hormonal secretions resulting from the pituitary gland.
To know more about hypothalamus visit at:
https://brainly.com/question/11352172
#SPJ4
I need help on bio #16. It’s ab DNA
Answer:
Human
Guanine: 19
Thymine: 31
Cow
Cytosine: 22
Thymine: 28
Salmon
Guanine: 21
Thymine: 29
Wheat
Guanine: 23
Cytosine: 23
Thymine: 27
Yeast
Cytosine: 19
Thymine: 31
Explanation:
Chargaff's rules state that in the DNA of any species and any organism, the amount of guanine should be equal to the amount of cytosine and the amount of adenine should be equal to the amount of thymine.
Since it is percentage, they will add up to 100%, which is how you find the one for wheat.