객관식
What is the role of single-strand binding proteins (SSBs) in DNA replication?
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14. DNA Synthesis
Introduction to DNA Replication
Multiple Choice
How many copies of a DNA molecule result from two replications of a single DNA molecule?
A
8 copies
B
6 copies
C
4 copies
D
2 copies
검증된 단계별 안내1
Understand that DNA replication is a process where a single DNA molecule is copied to produce two identical DNA molecules.
In the first replication, one DNA molecule is duplicated to form two identical DNA molecules.
In the second replication, each of the two DNA molecules from the first replication is duplicated again.
Calculate the total number of DNA molecules after the second replication: 2 (from the first replication) x 2 (each replicates again) = 4.
Conclude that after two rounds of replication, there are 4 copies of the original DNA molecule.
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