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Which of the following is false regarding the tripeptide Ala-Gly-Cys? Partial hy

ID: 168514 • Letter: W

Question

Which of the following is false regarding the tripeptide Ala-Gly-Cys?

Partial hydrolysis of the tripeptide Ala-Gly-Cys produces three different dipeptides.

The amino acid at the N-terminal end is alanine.

One of the amino acid side chains contains sulfur.

The peptide contains two peptide bonds.

A)

Partial hydrolysis of the tripeptide Ala-Gly-Cys produces three different dipeptides.

B)

The amino acid at the N-terminal end is alanine.

C)

One of the amino acid side chains contains sulfur.

D)

The peptide contains two peptide bonds.

Explanation / Answer

The answer is A. Partial hydrolysis of a tripeptide can only produce two unique dipeptides consisting of the first and second, and the second and the third dipeptides.

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