MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
The mitochondrial RNA polymerase is made up of _____________ |
| A. | 1 subunit |
| B. | 2 subunits |
| C. | 3 subunits |
| D. | multiple subunits |
| Answer» B. 2 subunits | |
| 2. |
Human mitochondrial DNA encodes for _________ |
| A. | 21 tRNAs |
| B. | 31 tRNAs |
| C. | 22 tRNA |
| D. | 24 tRNAs |
| Answer» D. 24 tRNAs | |
| 3. |
Human mitochondrial DNA encodes for ____________ |
| A. | 2 rRNAs |
| B. | 3 rRNAs |
| C. | 1 rRNA |
| D. | 4 rRNAs |
| Answer» B. 3 rRNAs | |
| 4. |
The mitochondrial DNA in humans encode for how many poplypeptides? |
| A. | 15 |
| B. | 13 |
| C. | 12 |
| D. | 11 |
| Answer» C. 12 | |
| 5. |
Porins are present in ____________ |
| A. | Inner membrane |
| B. | Outer membrane |
| C. | Both inner and outer membrane |
| D. | Intermembrane space |
| Answer» D. Intermembrane space | |
| 6. |
Cardiolipin present in inner mitochondrial membrane plays a role in ___________ |
| A. | Formation of the respiratory mechanisms |
| B. | Activation of proteins involved in Glycolysis |
| C. | Activation of proteins involved in electron oxidation |
| D. | Activation of proteins |
| Answer» D. Activation of proteins | |
| 7. |
In the inner membrane of mitochondria, there is one protein molecule for approximately every _______ |
| A. | 15 phospholipids |
| B. | 25 phospholipids |
| C. | 5 phospholipids |
| D. | 10 phospholipids |
| Answer» B. 25 phospholipids | |
| 8. |
Which part of mitochondria is responsible for the degradation of many enzymes? |
| A. | Mitochondrial matrix |
| B. | Cristae |
| C. | Inner membrane |
| D. | Outer membrane |
| Answer» E. | |
| 9. |
Which part of mitochondria has almost 70-75% protein content? |
| A. | Outer membrane |
| B. | Inner membrane |
| C. | Both outer and inner membrane |
| D. | Intermembrane space |
| Answer» C. Both outer and inner membrane | |
| 10. |
The inner boundary membrane and inner cristal membrane are joined by ____ |
| A. | Mitochondrial junctions |
| B. | Membrane junctions |
| C. | Cristae junctions |
| D. | Tubule junctions |
| Answer» D. Tubule junctions | |
| 11. |
The protruding invaginated sheets inside mitochondria is known as _____ |
| A. | Cristae |
| B. | Fimbrae |
| C. | Hyphae |
| D. | Cellular Digestion |
| Answer» B. Fimbrae | |
| 12. |
Mitochondria is the organ for ______ |
| A. | Cellular respiration |
| B. | Cellular digestion |
| C. | Cellular death |
| D. | Cellular motility |
| Answer» B. Cellular digestion | |