MCQOPTIONS
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MCQOPTIONS
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. |
Coenzyme A is derived from _________________ |
| A. | thiamin |
| B. | riboflavin |
| C. | pantothenic acid |
| D. | biotin |
| Answer» D. biotin | |
| 2. |
Decarboxylation of pyruvate group takes place in the ________________ |
| A. | outer mitochondrial membrane |
| B. | inner mitochondrial membrane |
| C. | mitochondrial matrix |
| D. | cytosol |
| Answer» E. | |
| 3. |
In presence of oxygen, how many additional molecules of ATP can be formed by metabolizing pyruvate and NADH in the mitochondria? |
| A. | more than 20 |
| B. | more than 30 |
| C. | more than 50 |
| D. | more than 100 |
| Answer» C. more than 50 | |
| 4. |
Most of the free energy present in the glucose is stored as ATP after glycolysis. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
How many molecules of ATP are formed per molecule of glucose oxidized? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 6. |
At the expense of two ATP molecules, how many phosphate groups are present on the fructose in the third step of glycolysis? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 7. |
How many reactions are constituted in a glycolytic pathway? |
| A. | 2 |
| B. | 5 |
| C. | 10 |
| D. | 15 |
| Answer» D. 15 | |
| 8. |
The enzymes of glycolysis are located in the ______________ |
| A. | mitochondria |
| B. | golgi complex |
| C. | cytosol |
| D. | cytoplasm |
| Answer» D. cytoplasm | |
| 9. |
Which of the following molecules is present in the mitochondrion? |
| A. | Acetyl CoA |
| B. | Acetyl CoB |
| C. | Acetylanase |
| D. | Acetylcholine |
| Answer» B. Acetyl CoB | |