Question

This is part of a protein sequence that has assumed an alpha helical structure. Which of these are correct?

-this is considered a type of secondary protein structure
-the structure is stabilized by H-bonds between one amino acid's amino group and another amino acids carboxyl group
-all of the amino acid side groups (Rs) in this structure are most likely polar
-both A and B
-both B and C

Answer 1

The alpha helix is considered a type of secondary protein structure stabilized by hydrogen bonds, making option A the correct answer.

Step-by-step explanation:

Based on the information provided, the statement that is correct is:

A) This is considered a type of secondary protein structure.

An alpha helix is indeed a type of secondary protein structure. Secondary protein structures are formed by the folding of the polypeptide chain, and the alpha helix is one of the most common types. It is characterized by a spiral shape, with hydrogen bonds stabilizing the structure between the oxygen atom in the carbonyl group of one amino acid and the hydrogen atom of the amino group that is four amino acids farther along the chain.

The other options - B) The structure is stabilized by hydrogen bonds between one amino acid's amino group and another amino acid's carboxyl group; C) All of the amino acid side groups (Rs) in this structure are most likely polar; D) Both A and B; E) Both B and C - are not correct based on the given information.