MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Molecular Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following does not contribute to the stability of tRNA? |
| A. | Base and sugar-phosphate backbone interaction |
| B. | Hydrogen bonding |
| C. | Hydrophobic interactions |
| D. | Base pairing |
| Answer» D. Base pairing | |
| 2. |
What is the angle between the D loop and the anticodon loop? |
| A. | 45 |
| B. | 90 |
| C. | 135 |
| D. | 180 |
| Answer» C. 135 | |
| 3. |
The distance between the amino acid binding site and the anticodon site is ______ |
| A. | 64 |
| B. | 70 |
| C. | 76 |
| D. | 80 |
| Answer» C. 76 | |
| 4. |
Why the variable loop is named so? |
| A. | Variable number of bases |
| B. | Variable region |
| C. | Multiple loops present |
| D. | Variability of presence |
| Answer» B. Variable region | |
| 5. |
How many loops are present in the clover leaf model of tRNA? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» D. 5 | |
| 6. |
With respect to tRNA which of the following is not its characteristic? |
| A. | Complimentary region |
| B. | Double helix molecule |
| C. | Highly conserved pattern of fold |
| D. | Variable loop |
| Answer» C. Highly conserved pattern of fold | |
| 7. |
Thymine is present in tRNA. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
The 3 end of tRNA is __________ |
| A. | 3 CCA 5 |
| B. | 3 ACC 5 |
| C. | 3 CCG 5 |
| D. | 3 GCC 5 |
| Answer» C. 3 CCG 5 | |