Choose the activity in column 2 that best matches each enzyme in column 1
A) synthesizes RNA primers for DNA synthesis
B) covalently links breaks in the sugar-phosphate backbone
C) nicks DNA ahead of replication fork to relax supercoiling in the DNA
D) elongates DNA strand
E) unwinds double-stranded DNA
F) primer removal and replacement
1) helicase
2) gyrase
3) primase
4) DNA polymerase III
5) DNA polymerase I
6) ligase
Answers: 1) E 2) C 3) A 4) D 5) F 6) B
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