I think the answer would be D goodluck
The correct answer is Chemical. Because two substances are reacting and creating a new substance.
I believe it's B. BRCA1 and BRCA2.
I honestly don’t know, I just need to answer this so I can ask a question ⚪️⚪️⚪️⚪️⚪️⚪️⚪️⚪️⚪️ ⚪️⚪️⚪️⚪️⚪️⚪️⚪️⚪️⚪️ ⚪️⚪️⚪️⚪️⚪️⚪️⚪️⚪️⚪️
Answer:
The movement of the replication fork is accomplished by the enzyme helicase, which breaks hydrogen bonds between the paired bases and unwinds the double helix ahead of the advancing DNA polymerase.
