Which part of an amino acid's structure makes it unique from other amino acids?

Answer 1

One part of the molecular structure

There is one certain part of the structure of an amino acid that define it. It is called the R part. All amino acids are the same except this part.

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Answer 2

An amino acid can be distinguished from another by its side chain, or R group.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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