Scelta multipla
What is the first step in the process of DNA replication?
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14. DNA Synthesis
Introduction to DNA Replication
Scelta multipla
What is the first step of DNA replication?
A
The joining of Okazaki fragments by DNA ligase
B
The unwinding of the DNA double helix by helicase
C
The elongation of the new DNA strand by DNA polymerase
D
The synthesis of RNA primers by primase
Guida verificata passo dopo passo1
Understand that DNA replication is a process by which a cell duplicates its DNA before cell division.
Recognize that the first step in DNA replication involves the unwinding of the DNA double helix.
Identify the enzyme responsible for unwinding the DNA double helix, which is helicase.
Learn that helicase breaks the hydrogen bonds between the complementary bases of the DNA strands, separating them.
Note that this unwinding creates a replication fork, which is the site where the replication process will proceed.
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