MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The mechanism of action of cyanide, a mitochondrial toxin, is by inhibiting ____________ |
| A. | ATP synthase |
| B. | Succinate dehydrogenase |
| C. | Cytochrome c oxidase |
| D. | NADH dehydrogenase |
| Answer» D. NADH dehydrogenase | |
| 2. |
Mitochondrial DNA is one of the best marker tools for population biologists and evolutionary biologists because _____________ |
| A. | Absence of genetic recombination in mt-DNA |
| B. | Mitochondrial genes are specific to mt-DNA |
| C. | It can be easily isolated |
| D. | It undergoes spontaneous mutation |
| Answer» B. Mitochondrial genes are specific to mt-DNA | |
| 3. |
What is the size of plant mitochondrial DNA? |
| A. | 16kb |
| B. | 200-2500kb |
| C. | 100- 2550kb |
| D. | 100-2500kb |
| Answer» C. 100- 2550kb | |
| 4. |
What is the size of human mitochondrial DNA? |
| A. | 16kb |
| B. | 200kb |
| C. | 2500kb |
| D. | 100kb |
| Answer» B. 200kb | |
| 5. |
Oxysomes or F0 F1 particles occur on _____________ |
| A. | Inner mitochondrial membrane |
| B. | Chloroplast surface |
| C. | Mitochondrial surface |
| D. | Thylakoids |
| Answer» B. Chloroplast surface | |
| 6. |
What is Mitochondrial DNA? |
| A. | Simple, single stranded linear DNA molecule |
| B. | Simple, single stranded circular DNA molecule |
| C. | Simple, double stranded linear DNA molecule |
| D. | Simple, double stranded circular DNA molecule |
| Answer» E. | |
| 7. |
How many human mitochondrial proteins are encoded in the mitochondrial genome and synthesized within mitochondria? |
| A. | 11 |
| B. | 12 |
| C. | 13 |
| D. | 14 |
| Answer» D. 14 | |