AP Biology 1.7.A Protein Structure and Function

Practise AP Biology 1.7.A questions by linking amino-acid side chains and sequence changes to protein folding, binding, oxygen transport and cellular function.

Exam points

link amino-acid side-chain chemistry and sequence changes to protein folding or binding
interpret hemoglobin and myoglobin oxygen-binding curves in pH or tissue contexts

[Maximum number: 1]

The amino acid in Figure 1 is found in a region of a polypeptide that folds away from water. Which part of the amino acid most likely contributes to the hydrophobic behavior of this region of the polypeptide?

Amine $\left(\mathrm{NH}_{2}\right)$ group

Carboxyl (COOH) group

Methyl $\left(\mathrm{CH}_{3}\right)$ group

Hydrogen (H) atom

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1.7.A—Describe the structure and function of proteins question 1