Which Is True About the Side Chains of Residues in an α-Helix

question 16

Multiple Choice

Which is true about the side chains of residues in an α-helix?

• A)They extend above or below the pleats.
• B)They extend radially outward from the helix axis.
• C)They point toward the center of the helix.
• D)They hydrogen bond extensively with each other.

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Definitions:

Hydrogen Atoms

The simplest atoms consisting of only one proton and one electron.

NAD+

Nicotinamide adenine dinucleotide, a coenzyme involved in redox reactions, serving as an electron carrier in metabolic processes.

Acetyl Coenzyme A

A central metabolite in cellular metabolism, involved in the synthesis and oxidation of fatty acids, and the metabolism of carbohydrates and proteins.

Aerobic Respiration

Aerobic respiration is a biological process in which glucose is broken down using oxygen to produce energy, carbon dioxide, and water.