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My name is Ann [436]
3 years ago
15

What biomolecules is an enzyme? what is the purpose of enzyme??

Biology
1 answer:
lana [24]3 years ago
7 0
Globular protein
It speeds up a reaction without being used up itself
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What happens to the body cells if the kidney produce very little urine?
Andreas93 [3]

Explanation:

Having filtered out small essential molecules from the blood - the kidneys must reabsorb the molecules which are needed, while allowing those molecules which are not needed to pass out in the urine. Therefore, the kidneys selectively reabsorb only those molecules which the body needs back in the bloodstream.

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Why are identical twins exactly similar while fraternal twins are dissimilar ??​
sergij07 [2.7K]

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Fraternal twins are “dizygotic,” meaning that they developed from two different eggs fertilized by two different sperm cells, while identical twins are “monozygotic” i.e., they developed from a single fertilized egg that split.

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Kipish [7]

Not to be too picky, but the question ought to say a positively charge ion rather than atom.

I will assume that is what you mean. An ion, using ordinary means, will be positive if it loses electrons (which are negative).

An ion can never gain protons. Left alone, the nucleus will remain unchanged for the rest of eternity. D is wrong.

C is wrong. If electrons are gained, the ion will go negative.

B is wrong for the same reason D is. An ion can't gain protons and it can't lose them.

A is the answer.

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