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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 the following molecules is/are most likely to have selective proteins in the BBB to facilitate its passage into the bra
ANEK [815]

Answer:

The correct answer is option - C amino acids.

Explanation:

The blood brain barrier or BBB is border that separates extracellular fluid in the central nervous system (CNS) and the blood that is circulating from the brain.

This barrier is allows the passage by facilitate diffusion (passive diffusion) and through the selective proteins of molecules such as glucose, amino acids that are essential for the neural function.

Thus, the correct answer is -  amino acids.

8 0
3 years ago
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Answer:

The way they classify this practice is known as "Matrilineal"

Explanation:

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How long can sperm live outside of the body?
liraira [26]
About 20 minutes<span>Sperm can live outside of the body for only about 20 minutes to an hour, depending on how exposed the semen is to the air and other environmental factors. To avoid the slightest risk of pregnancy, a woman should make sure that ejaculated semen doesn't get at all close to her vagina.</span>
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A bond of the following elements would be of what type? Drawing a model may be helpful.
Tresset [83]

The answer is ionic :)

7 0
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