Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Life Sciences Fundamental Processes DNA replication, repair and recombination
Identify which of the following statements about DNA replication and repair mechanisms is correct:
A. Single-strand binding proteins (SSBs) are primarily involved in protecting the DNA during double-strand break repair.
B. DNA polymerase δ is involved in proofreading and error correction on the leading strand.
C. Nucleotide excision repair (NER) is primarily involved in removing bulky lesions such as thymine dimers.
D. DNA topoisomerase acts by introducing nicks that facilitate the unwinding of the DNA during replication.
1
Only A and B are correct.
2
Only B and C are correct.
3
Only C and D are correct.
4
Only A, C, and D are correct.
5
Question Not Attempted