BIO 172 EXAM II WITH 100%
CORRECT ANSWERS 2026
Which of the following does NOT occur during metabolism?
A. Electron carriers are reduced during fatty acid catabolism.
B. Electron carriers are reduced during amino acid catabolism.
C. Electron carriers are reduced during glucose catabolism.
D. Acetyl CoA is generated during catabolism of fatty acids, amino
acids and glucose.
E. None, because all of these options occur during metabolism.
correct answer E. None, because all of these options occur
during metabolism.
Protein X is an integral membrane protein in the rough ER. Which
of the following processes helps target protein X to its final
destination?
A. Signal recognition particle
B. Hydrophobic signal anchor sequence
C. The golgi apparatus
D. Exocytosis
E. Receptor-mediated endocytosis correct answer A. Signal
recognition particle
B. Hydrophobic signal anchor sequence
Which of the following would you expect if a cell was placed in an
isotonic solution?
,A. There would be a net movement of water out of the cell.
B. There would be a net movement of water into the cell.
C. There would be no net movement of water into or out of the
cell.
D. There would be a net movement of solute into the cell.
E. There would be a net movement of solute out of the cell.
correct answer C. There would be no net movement of water
into or out of the cell.
Which of the following would never be a product of either
glycolysis or fermentation?
A. CO2
B. ADP
C. NAD+
D. ATP
E. Acetyl CoA correct answer E. Acetyl CoA
The following DNA sequence representing a codon was changed
from 5' TAT to 5' TAG in the nontemplate DNA strand. Which of
the following best describes the nature of this change?
a. deletion
b. insertion
c. missense
d. nonsense
e. nonsynonymous correct answer d. nonsense
, Which of the following does not donate an electron to an electron
transport chain?
a. NADH
b. FADH2
c. H2O
d. NADPH
e. All of these options donate are correct. correct answer d.
NADPH
Which of the following does NOT occur during the citric acid
cycle?
a. ATP is produced
b. NADH is produced
c. FADH2 is produced
d. Carbons originating from glucose are oxidized to CO2.
e. ATP is consumed correct answer e. ATP is consumed
Which of the following is true of an aquaporin?
a. You would expect the inside channel of an aquaporin to contain
polar amino acids
b. Aquaporins move water from a high to a low solute
concentration
c. Aquaporins are symporters
d. Transport through an aquaporin requires energy
e. Aquaporins are not saturable correct answer a. You would
expect the inside channel of an aquaporin to contain polar amino
acids
CORRECT ANSWERS 2026
Which of the following does NOT occur during metabolism?
A. Electron carriers are reduced during fatty acid catabolism.
B. Electron carriers are reduced during amino acid catabolism.
C. Electron carriers are reduced during glucose catabolism.
D. Acetyl CoA is generated during catabolism of fatty acids, amino
acids and glucose.
E. None, because all of these options occur during metabolism.
correct answer E. None, because all of these options occur
during metabolism.
Protein X is an integral membrane protein in the rough ER. Which
of the following processes helps target protein X to its final
destination?
A. Signal recognition particle
B. Hydrophobic signal anchor sequence
C. The golgi apparatus
D. Exocytosis
E. Receptor-mediated endocytosis correct answer A. Signal
recognition particle
B. Hydrophobic signal anchor sequence
Which of the following would you expect if a cell was placed in an
isotonic solution?
,A. There would be a net movement of water out of the cell.
B. There would be a net movement of water into the cell.
C. There would be no net movement of water into or out of the
cell.
D. There would be a net movement of solute into the cell.
E. There would be a net movement of solute out of the cell.
correct answer C. There would be no net movement of water
into or out of the cell.
Which of the following would never be a product of either
glycolysis or fermentation?
A. CO2
B. ADP
C. NAD+
D. ATP
E. Acetyl CoA correct answer E. Acetyl CoA
The following DNA sequence representing a codon was changed
from 5' TAT to 5' TAG in the nontemplate DNA strand. Which of
the following best describes the nature of this change?
a. deletion
b. insertion
c. missense
d. nonsense
e. nonsynonymous correct answer d. nonsense
, Which of the following does not donate an electron to an electron
transport chain?
a. NADH
b. FADH2
c. H2O
d. NADPH
e. All of these options donate are correct. correct answer d.
NADPH
Which of the following does NOT occur during the citric acid
cycle?
a. ATP is produced
b. NADH is produced
c. FADH2 is produced
d. Carbons originating from glucose are oxidized to CO2.
e. ATP is consumed correct answer e. ATP is consumed
Which of the following is true of an aquaporin?
a. You would expect the inside channel of an aquaporin to contain
polar amino acids
b. Aquaporins move water from a high to a low solute
concentration
c. Aquaporins are symporters
d. Transport through an aquaporin requires energy
e. Aquaporins are not saturable correct answer a. You would
expect the inside channel of an aquaporin to contain polar amino
acids
