Protein Stability

Question: For the unfolding reaction of Protein G, ΔH° =210.6 kJ/mol, this means that
[A].

unfolding is favored enthalpically

[B].

folding is favored enthalpically

[C].

the entropy is positive at all temperatures

[D].

the entropy is negative at all temperatures

Answer: Option B

Explanation:

No answer description available for this question.

Question: At the midpoint of a temperature transition curve,
[A].

half of the protein is denatured

[B].

Keq = 1.0 and ΔG = 0

[C].

[Native] = [Unfolded]

[D].

All of these

Answer: Option D

Explanation:

No answer description available for this question.

Question: If the egg white protein, ovalbumin, is denatured in a hard-boiled egg, then which of the following is least affected?
[A].

The primary structure of ovalbumin

[B].

The secondary structure of ovalbumin

[C].

The tertiary structure of ovalbumin

[D].

The quaternary structure of ovalbumin

Answer: Option A

Explanation:

No answer description available for this question.

Question: Attractive Vander Waals forces occur between
[A].

apolar molecules in the liquid state

[B].

any pair of nearby atoms

[C].

polar molecules in the solid state

[D].

only if other forces are less favorable

Answer: Option B

Explanation:

No answer description available for this question.

Question: Buried hydrophobic side chains in a globular protein fit into a hole formed by the side chains of
[A].

1-3 other amino acids

[B].

5-7 other amino acids

[C].

9-12 other amino acids

[D].

13-15 other amino acids

Answer: Option B

Explanation:

No answer description available for this question.