MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
BOTH_PROKARYOTES_AND_EUKARYOTES_HAVE_ONE_ORF.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Which component of the rRNA binds to the mRNA?$ |
| A. | 16S |
| B. | 5S |
| C. | 28S |
| D. | 23S |
| Answer» B. 5S | |
| 3. |
Shine – Dalgarno sequence is also known as the __________$# |
| A. | ORF |
| B. | RBS |
| C. | Stop codon |
| D. | Start codon |
| Answer» C. Stop codon | |
| 4. |
The phenomenon of translating two a protein by two ribosomes is known as translational coupling. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
How many reading frames are applicable in case of translation? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 6. |
The start codon has a vital role to play in incorporating the specific amino acids in the peptide chains. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Both Prokaryote and Eukaryote has one start codon 5’-AUG-3’.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Which of the following is not a property of open reading frame? |
| A. | Contiguous |
| B. | Non overlapping |
| C. | Encodes a single protein |
| D. | Starts and ends at either end of the mRNA. |
| Answer» E. | |
| 9. |
How many major components are used for the process of translation? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 10. |
Who was the first to propose indirect interaction between mRNA template and amino acids to produce accurate ordering of amino acid in a polypeptide chain? |
| A. | Paul C. Zamecnic |
| B. | James Watson |
| C. | Francis H. Crick |
| D. | Mahlon B. Hoagland |
| Answer» D. Mahlon B. Hoagland | |
| 11. |
The accurate ordering of amino acids in a polypeptide is determined by the direct interactions between the mRNA template and the amino acid. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
Which of the following is the most energetically costly process among the following? |
| A. | Replication |
| B. | Transcription |
| C. | Post transcriptional processing |
| D. | Translation |
| Answer» E. | |