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a_sh-v [17]
2 years ago
13

Why would scientists may want to know if two plant species are closely related.

Biology
2 answers:
vaieri [72.5K]2 years ago
4 0
2 related plants may produce similar substances that could be used for medicines
Kazeer [188]2 years ago
4 0

Answer:

- Two related plants may produce similar substances that could be used for medicines. - A related plant may provide a cheaper source of a substance. - If a plant becomes extinct, a related plant may provide an alternative source of a substance.  

(No Explanation)

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Which of these is part of a feedback loop that results in a cooling effect on Earth?
irga5000 [103]

Answer:

B. As snow and ice melt, the underlying surfaces absorb heat from solar radiation

Explanation:

Which of these is part of a feedback loop that results in a cooling effect on Earth as snow and ice melt, the underlying surfaces absorb heat from solar

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3 years ago
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What conditions are required for evolution to occur?
Mamont248 [21]

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Four conditions are required for evolution to occur: reproduction, heredity, variation in fitness or organisms, variation in individuals among the members of the observed population.

6 0
2 years ago
Why should you always keep materials at least 6 inches inside the edge of a
VashaNatasha [74]
The answer is D hope this helps
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2 years ago
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Refer to the Biochemistry in Focus section of your text for this chapter to answer this question. Sarin inhibits acetylcholinest
DENIUS [597]

Answer:

c. Pyridostigmine binds to the acetylcholinesterase active site and prevents sarin from binding to and modifying the enzyme active site.

Explanation:

Sarin is a toxic compound which inhibits acetylcholinesterase enzyme. This enzyme degrades the neurotransmitter acetylcholine after the required muscle cell stimulation. In absence of its activity, acetylcholine is not degraded and the muscle cells are stimulated uncontrollably. The muscles are not able to relax which ultimately proves fatal for the victim.

Pyridostigmine is also an acetylcholinesterase inhibitor like Sarin. However its period of inhibition is short compared to organophosphorus inhibitors like sarin. It competes with sarin and replaces it in the active site of acetylcholinesterase. The enzyme is still inhibited but for a shorter time as compared to inhibition by Sarin. Hence after sometime, it becomes functional again and resumes its normal activity. Acetycholine starts getting degraded relaxing the muscles.

8 0
2 years ago
Match the following terms and definitions 1. lysosomes and peroxisomes small storage sacs containing water, food, and waste 2. v
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ok so I've done this problem before trust me:

A. bundles of microtubules that separate to opposite poles of a cell - CENTRIOLES

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F. chains of protein fibers that provide support and shape - CYTOSKELETON

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H. whip-like structures on cells that are used for movement - FLAGELLA

I. produces and assembles proteins - RIBOSOMES

5 0
3 years ago
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