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This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.
1. |
Which of them is used to introduce negative supercoiling in DNA? |
A. | Type 1 topoisomerase |
B. | Ethidium bromide |
C. | Gyrase/ type 2 topoisomerase |
D. | SYBR gold |
Answer» D. SYBR gold | |
2. |
What is the term given to the supercoiling of circular DNA? |
A. | Twist number |
B. | Linking number |
C. | Writhe number |
D. | Cross-linking |
Answer» C. Writhe number | |
3. |
Double-stranded DNA with high GC content has higher thermal stability than that of lower GC content? |
A. | True |
B. | False |
Answer» B. False | |