MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
Purines and pyrimidines form glycosidic linkage with the purines and pyrimidines at the N6 position. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Which of the following is not a part of a nucleoside? |
| A. | Deoxyribose sugar |
| B. | Glycosidic linkage |
| C. | Phosphate |
| D. | Base |
| Answer» D. Base | |
| 3. |
In which carbon do the deoxyribonucleotides lack an –OH molecule? |
| A. | C1 |
| B. | C2 |
| C. | C3 |
| D. | C4 |
| Answer» C. C3 | |
| 4. |
Purines and pyrimidines form glycosidic linkage with the purines and pyrimidines at the N6 position? |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Which of the following is not a nucleotide? |
| A. | AMP |
| B. | TMP |
| C. | GMP |
| D. | CMP |
| Answer» C. GMP | |
| 6. |
The linkage between the sugar and the base is a covalent linkage. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Which of the following is not a part of a nucleotide? |
| A. | Ester linkage |
| B. | Phosphate group |
| C. | Base |
| D. | Hydrogen bond |
| Answer» E. | |
| 8. |
In which carbon do the deoxyribonucleotides lack an –OH molecule?$ |
| A. | C1 |
| B. | C2 |
| C. | C3 |
| D. | C4 |
| Answer» C. C3 | |
| 9. |
The nitrogenous base is covalently linked to the _________ carbon of the pentose sugar. |
| A. | C1 |
| B. | C2 |
| C. | C3 |
| D. | C4 |
| Answer» B. C2 | |
| 10. |
Which of the following is not true about nucleotides? |
| A. | Monomeric units |
| B. | Ubiquitous substances |
| C. | Energy rich molecules |
| D. | Non enzymatic molecules |
| Answer» E. | |