WGU C785 BIOCHEMISTRY |ACTUAL QUESTIONS
AND VERIFIED ANSWERS |BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
Which statement describes a solvation layer for a hydrophobic protein solute?
A. It is a highly ordered, low-entropy layer of water surrounding a solute
B. It is the exterior surface of a hydrophobic solute that often contains many salt bridges
C. It is a layer of water around the solute that is highly randomized due to the few
interactions water has with the solute
D.) It is the outer layer of the protein that contains the most polar amino acid residues in the
protein
CORRECT ANSWER
A. It is a highly ordered, low-entropy layer of water surrounding a solute
Question 2
Which of these chemical interactions plays a large role in maintaining the secondary
structure of proteins?
A. Ionic bonds
B. Hydrogen bonds
1
,C. Hydrophobic interactions
D. Peptide bonds
CORRECT ANSWER
B. Hydrogen bonds
Question 3
A ________ is a part of a polypeptide chain that is independently stable or could undergo
movement as a single entity with respect to the entire protein.
A. Supersecondary structure
B. Fold
C. Motif
D. Domain
CORRECT ANSWER
D. Domain
Question 4
Which statement defines denaturation of a protein?
A. Loss of tertiary structure sufficient loss of function
B. Degradation to free amino acids
2
, C. Complete unfolding and randomization of conformation
D. Aggregation of misfolded proteins with loss of native function
CORRECT ANSWER
A. Loss of tertiary structure sufficient loss of function
Question 5
What is a Fourier transform?
A. A regular array of spots generated by the x-ray beam hitting a protein crystal
B. An image of all the electron locations in the protein structure
C. A representation of protein structure constructed from the x-ray diffraction patterns
D. A computer-generated mathematical technique in x-ray crystallography
CORRECT ANSWER
D. A computer-generated mathematical technique in x-ray crystallography
Question 6
Which statement is TRUE about salt bridges?
A. They tend to destabilize protein structures
3
AND VERIFIED ANSWERS |BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
Which statement describes a solvation layer for a hydrophobic protein solute?
A. It is a highly ordered, low-entropy layer of water surrounding a solute
B. It is the exterior surface of a hydrophobic solute that often contains many salt bridges
C. It is a layer of water around the solute that is highly randomized due to the few
interactions water has with the solute
D.) It is the outer layer of the protein that contains the most polar amino acid residues in the
protein
CORRECT ANSWER
A. It is a highly ordered, low-entropy layer of water surrounding a solute
Question 2
Which of these chemical interactions plays a large role in maintaining the secondary
structure of proteins?
A. Ionic bonds
B. Hydrogen bonds
1
,C. Hydrophobic interactions
D. Peptide bonds
CORRECT ANSWER
B. Hydrogen bonds
Question 3
A ________ is a part of a polypeptide chain that is independently stable or could undergo
movement as a single entity with respect to the entire protein.
A. Supersecondary structure
B. Fold
C. Motif
D. Domain
CORRECT ANSWER
D. Domain
Question 4
Which statement defines denaturation of a protein?
A. Loss of tertiary structure sufficient loss of function
B. Degradation to free amino acids
2
, C. Complete unfolding and randomization of conformation
D. Aggregation of misfolded proteins with loss of native function
CORRECT ANSWER
A. Loss of tertiary structure sufficient loss of function
Question 5
What is a Fourier transform?
A. A regular array of spots generated by the x-ray beam hitting a protein crystal
B. An image of all the electron locations in the protein structure
C. A representation of protein structure constructed from the x-ray diffraction patterns
D. A computer-generated mathematical technique in x-ray crystallography
CORRECT ANSWER
D. A computer-generated mathematical technique in x-ray crystallography
Question 6
Which statement is TRUE about salt bridges?
A. They tend to destabilize protein structures
3
