BioChem 210 Module 7 Exam (2026 / 2027) (PDF) | Portage Learning

BioChem 210 Module 7 Exam (PDF) |
Portage Learning
1. Cellular respiration is the process of cells taking in ________ and producing
________ to generate energy.
A. CO2; O2
B. O2; CO2
C. N2; O2
D. CO2; H2O
Answer: B
2. For a fatty acid with 20 carbons, how many cycles of beta-oxidation are
required for complete degradation?
A. 8 cycles
B. 9 cycles
C. 10 cycles
D. 20 cycles
Answer: B
3. How many acetyl-CoA groups are produced from the complete
beta-oxidation of a 20-carbon fatty acid?
A. 9
B. 10
C. 19
D. 20
Answer: B
4. How many NADH and FADH2 molecules are produced from the
beta-oxidation (only) of a 20-carbon fatty acid?
A. 10 NADH and 10 FADH2
B. 9 NADH and 9 FADH2
C. 20 NADH and 20 FADH2
D. 5 NADH and 5 FADH2
Answer: B
5. A single molecule of glucose contains how many carbon atoms?
A. Two
B. Four
C. Six
D. Twelve
Answer: C
6. The preparatory phase of glycolysis consists of how many steps?
A. Two

, B. Three
C. Five
D. Ten
Answer: C
7. In the initial steps of glycolysis, how is ATP primarily used?
A. As a product of the reaction
B. As a source for phosphorylation
C. To generate heat
D. To inhibit enzymes
Answer: B
8. How many ATP molecules does one molecule of NADH yield after oxidative
phosphorylation?
A. 1.0
B. 1.5
C. 2.5
D. 3.0
Answer: C
9. How many ATP molecules does one molecule of FADH2 yield after
oxidative phosphorylation?
A. 1.0
B. 1.5
C. 2.0
D. 2.5
Answer: B
10. How many reactions are in the complete glycolysis pathway?
A. 5
B. 8
C. 10
D. 12
Answer: C
11. In the conversion of glucose to pyruvate, how many ATP are produced in
the step where 1,3-bisphosphoglycerate becomes 3-phosphoglycerate?
A. 1 ATP
B. 2 ATP
C. 3 ATP
D. 4 ATP
Answer: B
12. In the conversion of glucose to pyruvate, how many NADH are produced
in the step where glyceraldehyde 3-phosphate becomes
1,3-bisphosphoglycerate?