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This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Cell Biology knowledge and support exam preparation. Choose a topic below to get started.
1. |
For each molecule of glucose, how many times does the TCA cycle proceed? |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» C. 3 | |
2. |
The enzyme aconitase is responsible for ________________ |
A. | polymerization |
B. | degradation |
C. | assembly |
D. | isomerization |
Answer» E. | |
3. |
In the TCA cycle, which of the following combines with Acetyl CoA to form a 6 carbon compound? |
A. | oxaloacetate |
B. | glucose |
C. | pyruvate |
D. | thiamine |
Answer» B. glucose | |
4. |
Acetyl CoA is a _____________ carbon compound. |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» C. 3 | |
5. |
Polysaccharides, fats and proteins break down into metabolites of __________________ |
A. | Glycolysis |
B. | TCA cycle |
C. | RNA repair |
D. | Membrane synthesis |
Answer» C. RNA repair | |
6. |
Which of the following is an important end product of disassembly of fatty acids? |
A. | Acetyl CoA |
B. | Succinate dehydrogenase |
C. | Pyruvate |
D. | DNA gyrase |
Answer» B. Succinate dehydrogenase | |
7. |
How many reactions that occur in the TCA cycle transfer electrons from a substrate to an electron accepting enzyme? |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» E. | |
8. |
Which of the following is also known as Krebs cycle? |
A. | Electron transport chain |
B. | Glycolysis |
C. | TCA cycle |
D. | DNA Replication |
Answer» D. DNA Replication | |
9. |
All enzymes of the TCA cycle reside in the mitochondrial membrane. |
A. | True |
B. | False |
Answer» C. | |