1. Which of the following DNA repair mechanism is known as the ‘cut and patch mechanism’?
b. Nucleotide excision repair
c. Base excision repair
d. Mismatch repair
2. DNA helicase enzyme involved in base excision repair mechanism is______.
a. DNA helicase I
b. DNA helicase II
c. DNA helicase III
d. DNA helicase IV
3. In mismatch repair mechanism, which of the following protein recognize DNA mismatches in the genomic DNA?
4. The main difference between nucleotide excision repair (NER) and base excision repair (BER) is:
a. In NER double strand breaks are repaired where as in BER single strand breaks repaired
b. NER is a light dependent reaction whereas BER is light independent process
c. In NER phosphodiester backbone is first cleaved where as in BER phosphodiester backbone is cleaved later
d. All of these