The H-Bonds Formed in the Tertiary Structure of Proteins Can

question 107

Multiple Choice

The H-bonds formed in the tertiary structure of proteins can be differentiated from those formed in secondary structures. What is the major distinguishing factor?

• A) The H-bonds in 3^° structures are significantly stronger than those found in 2° structures.
• B) The H-bonds in 3^° structures are more random than those formed in 2° structures.
• C) The H-bonds in 3^° structures are formed by predictable interactions among the peptide backbone α-amine and α-carboxylate groups.
• D) The H-bonds in 3^∘ structures are formed by interactions involving the side chain R-groups.
• E) Both B and D are correct.

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Definitions:

Explanandum

The aspect of a phenomenon that is being explained, or the question that an explanation seeks to answer.

Complex

Consisting of many different and connected parts.

Simple

Easily understood or done; presenting no difficulty, or in logic, referring to an uncompounded statement or idea.

Implausible

Something that appears unlikely or difficult to believe based on available evidence or common sense.