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. |
The polypeptide elongation channel allows the formation of which of the following structures? |
| A. | helix |
| B. | sheet |
| C. | Turns |
| D. | Loops |
| Answer» B. sheet | |
| 2. |
The channel for the entry of the mRNA into the decoding center is a crucial feature for the proper decoding of them RNA. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
How many channels are observed in a ribosome molecule? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 4. |
The peptidyl transferase reaction center of the ribosome contains ___________ sites. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 5. |
During the addition of amino acid, the codon on the mRNA is identified by the direct interaction of the anticodon loop of the tRNA. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
The polypeptide bond formation is an ATP dependent process. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
The peptidyl transferase reaction is a result of ____________ consecutive steps. |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 1 |
| Answer» B. 3 | |
| 8. |
How many charged tRNA substrate is used for the polypeptide formation at a time? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |