MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Cytogenetics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the amino acid present in the binding pocket of glutaminyl amino acyl tRNA synthetase? |
| A. | Asp |
| B. | Lys |
| C. | Arg |
| D. | Gln |
| Answer» E. | |
| 2. |
Proofreading activity existing universally in synthetase as a double sieve mechanism. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
PROOFREADING_ACTIVITY_EXISTING_UNIVERSALLY_IN_SYNTHETASE_AS_A_DOUBLE_SIEVE_MECHANISM.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
What_is_the_amino_acid_present_in_the_binding_pocket_of_glutaminyl_amino_acyl_tRNA_synthetase?$ |
| A. | Asp |
| B. | Lys |
| C. | Arg |
| D. | Gln |
| Answer» E. | |
| 5. |
In an experiment you charge a tRNA with a wrong base. You allow the mixture to stand for a while. What will you expect to see? |
| A. | Properly charged tRNA |
| B. | Mischarged tRNA |
| C. | Uncharged tRNA |
| D. | Degraded tRNA |
| Answer» D. Degraded tRNA | |
| 6. |
Which of the following tRNA is charged by class II aminoacyl tRNA synthetase? |
| A. | Glu |
| B. | Asp |
| C. | Ser |
| D. | Met |
| Answer» C. Ser | |
| 7. |
Class II amino acyl tRNA synthetase transfers the amino acids to the tRNA __________ |
| A. | 3’-OH of the A base |
| B. | 3’-OH of the C base |
| C. | 2‘-OH of the A base |
| D. | 2’-OH of the C base |
| Answer» D. 2‚Äö√Ñ√∂‚àö√ë‚àö¬•-OH of the C base | |
| 8. |
Which arm of the tRNA can act as a structural recognition feature? |
| A. | Anticodon |
| B. | Dihydroxyuridine arm |
| C. | T phi C arm |
| D. | Variable arm |
| Answer» E. | |
| 9. |
What is the amino acid binding sequence in tRNA? |
| A. | AUG |
| B. | GGU |
| C. | CCA |
| D. | T ψ C |
| Answer» D. T ‚âà√¨‚àö‚Ć C | |
| 10. |
Which one of this is not a normal base found in tRNA? |
| A. | Pseudo uridine |
| B. | Thimidine |
| C. | I base |
| D. | OxoG base |
| Answer» E. | |
| 11. |
The tertiary structure of the tRNA is __________ |
| A. | Clover leaf |
| B. | Crossbow |
| C. | L shaped |
| D. | Plus shaped |
| Answer» D. Plus shaped | |
| 12. |
In eukaryotes tRNA are transcribed by ________ |
| A. | RNA polymerase I |
| B. | RNA polymerase II |
| C. | RNA polymerase III |
| D. | RNA polymerase IV |
| Answer» D. RNA polymerase IV | |