KROK 1 Stomatology 2013 – Question 144 · KROK (Dentistry)
DNA replication occurs during the cell division when a signal is received from the cytoplasm, and a certain portion of the DNA helix is unwound and divided into two chains. The helix is unwound by the following enzyme:
- A. RNA polymerase
- B. Helicase
- C. Restrictase
- D. Ligase
- E. DNA polymerase
Hint
Ask which enzyme uses ATP to break the hydrogen bonds between complementary bases and open the replication fork.
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