MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
In higher salt concentration the DNA helix assumes the right-handed conformation. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
What is the factor responsible for the left-handed helical conformation in Z form of DNA? |
| A. | Syn conformation at pyrimidine |
| B. | Anti conformation at pyrimidine |
| C. | Syn conformation at purine |
| D. | Anti conformation at purine |
| Answer» D. Anti conformation at purine | |
| 3. |
In the Z form of DNA the fundamental repeating unit is __________ |
| A. | Purine pyrimidine nucleotide |
| B. | Purine pyrimidine dinucleotide |
| C. | Purine pyrimidine tri-nucleotide |
| D. | Purine pyrimidine tetra-nucleotide |
| Answer» E. | |
| 4. |
In a right handed DNA the glycosidic bond is in syn configuration. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
How many bases are there in per turn of the A form of DNA? |
| A. | 11 bp |
| B. | 10 bp |
| C. | 12 bp |
| D. | 8 bp |
| Answer» B. 10 bp | |