Four Levels of Protein Structure

Question 1

There Are Four Levels
of Protein Structure:

Answer 1

Primary, secondary, tertiary, and quaternary structure.

Question 2

• Primary structure:

Answer 2

amino acid linear sequence

Question 3

Secondary structure:

Answer 3

regions of regularly repeating conformations of the peptide chain,
such as a-helices and b-sheets

Question 4

Tertiary structure:

Answer 4

describes the shape of the fully folded polypeptide chain

Question 5

Quaternary structure:

Answer 5

arrangement of 2 or
more polypeptide chains into a multi-subunit
molecule