Biology
Biology, 25.02.2020 21:27, irabrooks14

In proteins, secondary, tertiary, and quaternary levels of structure depend on the primary structure.
Which of the following most accurately lists elements of any protein's primary, secondary, tertiary, and quaternary structure, in that order?

a. Amino acid sequence, hydrogen bonding between R-groups, the overall shape of a single polypeptide, and multiple polypeptide subunits.
b. Amino acid sequence, hydrogen bonding between backbone groups, the overall shape of a single polypeptide, and combinations of tertiary structures.
c. One polypeptide chain, two polypeptide chains, three polypeptide chains, and more than three polypeptide chains.
d. Covalent bonding, van der Waals forces, hydrogen bonding, and hydrophobic interactions.
e. Hydrophobic interactions, covalent bonding, hydrogen bonding, and van der Waals forces.

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