MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In the case of thymine dimer which type of ring compound is formed? |
| A. | Cyclohexane |
| B. | Cyclobutane |
| C. | Cyclopropane |
| D. | Cycloheptane |
| Answer» C. Cyclopropane | |
| 2. |
To which base OXOG base pairs? |
| A. | A, C |
| B. | A, G |
| C. | G, C |
| D. | A, T |
| Answer» B. A, G | |
| 3. |
What is the product by mutation by oxidation of DNA? |
| A. | 2,7-dihydro-8-oxoguanine |
| B. | 1,7-dihydro-7-oxoguanine |
| C. | 7,8-dihydro-8-oxoguanine |
| D. | 7,4-dihydro-8-oxoguanine |
| Answer» D. 7,4-dihydro-8-oxoguanine | |
| 4. |
Which site of guanine is the site for mutation? |
| A. | C-4 |
| B. | C-6 |
| C. | C-1 |
| D. | C-2 |
| Answer» C. C-1 | |
| 5. |
Which base is generated by the deamination of guanine? |
| A. | Xanthine |
| B. | Cytosine |
| C. | Hypoxanthine |
| D. | Thymine |
| Answer» B. Cytosine | |