Answer:
G1, S, G2
Explanation:
Which description below is an example of sustainability?
O Growing new trees to replace old trees
O Using metals mined from deeper rock sources
O Putting garbage on land instead of in the ocean
Switching to a new resource when another runs out
Answer:
Growing new trees to replace old trees
Explanation:
Growing new trees in place of old ones sustains the environment, since trees help circulate oxygen and provide homes and nutrients for animals and other plants.
Any form of mining is bad for the environment and unsustainable in the long run, garbage is the same way, and putting it on land is only slightly better, and switching to other resources doesn't do anything but burn out more resources and does nothing to sustain anything.
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The cranial nerve responsible for movement of the medial rectus, superior rectus, inferior rectus and inferior oblique eye muscles is the ________ nerve.
Answer: This is the oculomotor nerve.
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____________ livestock are produced with extra copies of growth hormone genes to allow them to grow faster and produce meat that is low in fat.
Answer:
Transgenic
Explanation:
I did the the usa test prep
What are the minimum energies of the two oppositely directed gamma rays in a pet procedure?.
Answer:
0.51 1 MeV
Explanation:
-mec2 is the rest energy of the electron (0.511 MeV)
-Pair production and triplet production are followed by the annihilation of the positron with a ‘free’ electron producing two annihilation quanta, most commonly with an energy of 0.511 MeV each and emitted at 180º from each other to satisfy conservation of energy, momentum and charge.
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7. Which of the following processes emit greenhouse gases? Choose all that apply.
❏ Animals belching
❏ Chemical fertilizers
❏ Animal-waste fertilizers
❏ Animal waste management
❏ Field burning
❏ Deforestation by burning
❏ Transporting products
❏ Operating factories
Answer:
Animal waste management
Explanation:
this answer in my answer key
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Animals' belching, field burning, deforestation by burning, transportation products, and operating factories are the activities that emit greenhouse gases.
What are greenhouse gases?Many of the chemical elements that make up the atmosphere of the planet function as greenhouse gases. Some of the sunlight that touches the surface of the planet reflects back into space as infrared radiation (heat). This infrared radiation is absorbed by greenhouse gases, which trap the heat it contains in the atmosphere and causes global warming and climate change.
These greenhouse effects are seen in many gases. Some gases are created both naturally and by human activity. Some are entirely human-made, such as industrial gases. The most prevalent greenhouse gas is water vapor, although most scientists think that the quantity of water vapor in the atmosphere that is directly created by human activities is quite little.
Therefore, the activities that can produce greenhouse gases are animal belching, field burning, deforestation by burning, transportation products, and operating factories.
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A series of measurements with a voltmeter show a neuron's membrane potential becoming more negative, from -70 mV to -85 mV. This neuron is experiencing
If the voltmeter shows a neuron's membrane potential becomes more negative, from -70 mV to -85 mV, then the neuron is experiencing a hyperpolarization phase.
What is the hyperpolarization phase?The hyperpolarization phase is a stage in which potassium channels remain open while sodium channels need to reset.
This causes a change in the voltage inside the cell, which triggers a concomitant response.
The period of hyperpolarization is inversely opposite to the depolarization state of the neuron.
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All the available nutrient molecules distributed in the blood form a:.
Answer:
Nutrient Pool.
Explanation:
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Malabsorption of some minerals, including _____ often occurs because the minerals form soaps with the unabsorbed fatty acids.
Malabsorption of some minerals, including calcium, magnesium, and zinc often occurs because the minerals form soaps with the unabsorbed fatty acids.
Deficiency of mineralsMinerals are parts of the nutrients made in the body or gotten from food sources that are essential for the maintenance of health and growth.
Examples of minerals are calcium, magnesium, and zinc which are capable of forming soap with fatty acids in a reaction called saponification.
Therefore when they are unabsorbed in the body, minerals form soaps with the unabsorbed fatty acids.
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What evidence from Wallace’s passage also supports Darwin’s theory?
Answer:
Darwin and Wallace both realized that if an animal has some trait that helps it to withstand the elements or to breed more successfully, it may leave more offspring behind than others. On average, the trait will become more common in the following generation, and the generation after that.
Explanation:
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What are invasive species? how do they impact the ecosystem
Answer:
disorder in the ecosystem
Explanation:
Invasive species are organisms from different ecosystems that somehow find their way to a different one. The ecosystem that they arrive in cannot be prepared to receive them and the invasive species, these species may not have predators or characteristics that help them to feed or reproduce quickly. This causes a disorder in the ecosystem that can wipe out entire species and if a species disappears in a chain many others will be affected.
Suppose a population of insects in a lab has been
fed a restricted diet and kept in an enclosed
container. The insects have reached carrying
capacity. What could cause the insects' carrying
capacity to increase?
Which variety of mouse is more likely to survive in a dry desert? (1 point)
O a mouse that has a shorter tail
O a mouse that has a longer tail
O a mouse that needs more water
a mouse that needs less water
Answer:
The fourth option
Explanation:
A mouse that needs less water, as the desert is an arid climate
Which occurs during translation?
mRNA is created by using a DNA template.
mRNA codons are joined by tRNA anticodons to assemble amino acids to form a protein.
Protein is formed when a polypeptide chain is broken apart and released from ribosome.
One strand of DNA is copied into a strand of rRNA.
B. mRNA codons are joined by tRNA anticodons to assemble amino acids to form a protein.
The correct amino acids are brought to the ribosome by tRNA.
mRNA codons are joined by tRNA anticodons to assemble amino acids to form a protein is occurs during translation.
What are the steps of translation?Translation is the procedure by which the mRNA codes for a specific protein. All the while, the ribosome interprets the mRNA created from DNA into a chain of explicit amino acids.
In the pathway of gene expression, protein synthesis is an essential process and a crucial control factor. Translation regulation is essential for maintaining homeostasis in both the cell and the organism and plays a prominent role in most cell processes.
Translation is the process of making a polypeptide chain from mRNA codons. tRNA charging, initiation, elongation, and termination are the four stages.
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PLS HELP IVE BEEN STUCK ON THIS FOR 2 DAYS AND I HAVE TO TURN IT IN SOON!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Part A: A dichotomous key works on the principle of asking yes-or-no questions about the organism. To identify it, the answers for that organism are then compared to existing organisms to identify it. Prepare a list of four to five questions about each of the organisms listed below to help you create your own key. For each question, make sure the answer isn’t the same for all four organisms. For example, Does the organism have cells? would be an inappropriate question, because all the organisms have cells.
Part B: Information about the four organisms can be found on the Internet. Use credible websites to find answers to the questions you developed in part A. Based on this data, draw your own dichotomous key.
Shapes
Answer:
subject
Biology, 21.10.2020 16:01 jazz589729
Information about the four organisms can be found on the Internet. Use credible websites to find answers to the questions you developed in part A. Based on this data, draw your own dichotomous key. Based on the key you created, do you think some of the organisms are more closely related than others? Explain your answer.
Part 1 was this:A dichotomous key works on the principle of asking yes-or-no questions about the organism. To identify it, the answers for that organism are then compared to existing organisms to identify it. Prepare a list of four to five questions about each of the organisms listed below to help you create your own key. For each question, make sure the answer isn’t the same for all four organisms. For example, Does the organism have cells? would be an inappropriate question, because all the organisms have cells.
brewer’s yeast (Saccharomyces cerevisiae)
E. coli bacteria (Escherichia coli)
green hydra (Hydra viridissima)
house cat (Felis catus)
Here were my answers:Brewer’s yeast
Is it a unicellular organism? Yes
Is it found inside the human body? Yes
Is it visible without a microscope? Yes
Can it produce its own food? No
E. coli bacteria
Is it a unicellular organism? Yes
Is it found inside the human body? Yes
Is it visible without a microscope? No
Can it produce its own food? No
Green hydra (Hydra viridissima)
Is it a unicellular organism? No
Is it found inside the human body? No
Is it visible without a microscope? Yes
Can it produce its own food? Yes
House cat (Felis catus)
Is it a unicellular organism? No
Is it found inside the human body? No
Is it visible without a microscope? Yes
Can it produce its own food? No
Explanation:
What are the primary distinguishing characteristics between Prokaryotic cells and Eukaryotic
cells? Why is this difference important to note?
What is a trophic level?
A. the amount of energy that an organism uses to survive in an ecosystem
B. all of the nonliving things in an ecosystem
C. a model used to show the types of organisms in an ecosystem
D. a living organism's position in the flow of energy through an ecosystem
Answer:
D. A living organisms position in the flow of energy through an ecosystem.
Explanation:
Its like each step up in the food web/pyramid.
Trophic level is a living organism's position in the flow of energy through an ecosystem. The correct option is D.
A biological organism's place or function in the movement of energy through an ecosystem is referred to as its trophic level. It symbolises the ecological community's hierarchy of feeding.
A trophic level's inhabitants have comparable feeding habits and occupy a certain place in the food chain.
The first trophic level is occupied by the primary producers, including plants and algae, which use photosynthesis to transform sunlight into energy.
The second trophic level is occupied by herbivores that consume producers directly, followed by primary carnivores (predators that consume herbivores) on the third level, and so forth.
A complex network of energy flow and nutrient cycling occurs within an ecosystem at each trophic level as creatures consume and are consumed by one another.
Thus, the correct option is D.
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The menisci found in some synovial joints are attached to the ______ at the periphery of the joint cavity.
Answer:
joint capsule.
Explanation:
a nucleotide consists of what three parts?
how do pinnate leaves adapt themselves for photosynthesis in their habitat
Large-scale evolutionary trends are the result of _____
Answer:
macroevolution
Explanation:
Baleen whales have structures in their mouths that let them filter objects out of water. what do these structures do for the whale? question 2 options: provide movement. help them find a mate. help them obtain resources. help them defend against predators.
Baleen whales have structures in their mouths which help them to obtain resources.
What is a Baleen?This is referred to as slender keratin plates that hang from the upper jaw of Baleen whales.
Tbis helps this type of whales to obtain many resources such as preys together at a time thereby making option C the most appropriate choice.
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I need some help with please and thank you
Answer:
i belive your answer is C. electricity would lead to a higher carrying capacity
Explanation:
When testing tonicity of red blood cells, if the solution became transparent after adding blood cells, you could assume:.
If the solution becomes transparent we could assume that ; The solution was hypotonic and the cells had burst.
Tonicity of red blood cellsTo test for Tonicity of red blood cells, we placed the cells in a solution.When red blood cells are placed in hypotonic solution there is high rate of osmosis in which the solvent flows into the red cells placed in the solution the cells will experience a process known as Hemolysis and these cells do not diffuse light, the solution becomes a red transparent solution.
Hence we can conclude that If the solution becomes transparent we could assume that ; The solution was hypotonic and the cells had burst.
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What adaptations do tree have in the rainforest?
Answer:
Their leaves and flowers grow in the canopy. Tree trunks - these are tall and thin to allow trees to reach the sunlight. The bark on these trees is smooth to allow water to flow down to the roots easily.
Explanation:
Answer:
Here are some adaptions for trees in the rainforest. They have drip tips for leaves, leaf angling, and they provide shade.
Explanation:
Thi is all i know that trees do for the rainfprest.
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Glomerular filtration regulation involves intrinsic control which could best be described as ______.
The kidney's intrinsic capacity to control blood flow gives the ability to regulate glomerular filtration.
What is renal autoregulation?Renal autoregulation is a mechanism that allows the kidneys to maintain constant blood flow and glomerular filtration rate (GFR). This is hugely important to keep homeostasis for several reasons:
The right blood flow and GFR are necessary for excreting metabolic wastes, which avoids poisoning. It is key to maintain the electrolyte balance by finely regulating water and ions reabsorption.In case of high arterial pressure, autoregulation protects the glomerular capillaries from suffering an injury.Mechanisms involved in renal autoregulationTwo mechanisms take part in Renal autoregulation:
Myogenic response: preglomerular arterioles (especially at the level of afferent arterioles) can sense elevations in transmural pressure, which induces their contraction.Tubuloglomerular feedback: when the tubular fluid reaches the macula densa located in the distant tubule, the cells on it can detect changes in the concentration of sodium chloride, which is dependent on flow rate, and induce a modification in the diameter of the afferent arteriole.In conclusion, blood flow and glomerular filtration are two hugely important factors in renal function and both can be regulated by the kidney itself via two mechanisms.
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Kalani is told that he is the father to both of Winnie's sons, Marcus and Kevin. Marcus has type A blood and Kevin has type O blood. Winnie has type B blood. Kalani takes a blood test and finds out that he has type AB blood. Is it possible that Kalani is the father of both Marcus and Kevin? Explain your answer.
.It is possible that Kalani is the father of Marcus but he can not be the father of Kevin.
What is genotype?Genotype has to do with the total number of genes that an offspring recieves from its parents. We are told that the parents here are Kalani (blood type AB) and Winnie (blood type B).
If this is the case, it is impossible to explain the fact that Kevin has blood group O.It is possible that Kalani is the father of Marcus but he can not be the father of Kevin.
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During DNA replication, if one base is substituted for another, ____ occurs.
The systemic circulation is movement of blood from the ______ side of the heart to the systemic cells of the body and back to the ______ side of the heart.
Systemic circulation involves the movement of blood from the right ventricle of the heart to the cells of the body and back to the heart through the right atrium.
Systemic circulationIt is a form of blood circulation through which functional blood is supplied to all the cells and tissues of the body.
The system starts with oxygenated blood leaving the right side of the heart through the ventricle.
The blood travels through arteries to different cells/tissues of the body, supplies them with oxygen and vital nutrients, and picks up waste materials simultaneously.
Deoxygenated blood then travels through veins back to the heart through the right atrium.
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what type of cell are bacteria and archaea made of ?
Answer:
Bacteria are prokaryotes, lacking well-defined nuclei and membrane-bound organelles, and with chromosomes composed of a single closed DNA circle. They come in many shapes and sizes, from minute spheres, cylinders and spiral threads, to flagellated rods, and filamentous chains.
Explanation:
Answer:
Prokaryotes,both bacteria and archaea have prokaryotes, which means that the cells don't have a nucleus or other membrane-bound organelles in their cells. Like bacteria, the cells have a coiled ring of DNA, and the cell cytoplasm contains ribosomes for the production of cell proteins and other substances the cell needs.
Explanation:
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Daughter cells produced when cells undergo mitosis are genetically _______, and daughter cells produced when cells undergo meiosis are genetically _______.
Answer:
Daughter cells produced when cells undergo mitosis are genetically identical, and daughter cells produced when cells undergo meiosis are genetically diverse.
Explanation:
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