Multiple Choice
Which of the following is true about DNA replication?
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14. DNA Synthesis
Introduction to DNA Replication
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The synthesis of a new strand of DNA begins with which of the following?
A
The joining of Okazaki fragments by DNA ligase
B
The unwinding of the DNA double helix by helicase
C
The synthesis of an RNA primer by primase
D
The binding of DNA polymerase to the template strand
Verified step by step guidance1
Understand that DNA replication is a complex process involving multiple enzymes and steps.
Recognize that the synthesis of a new DNA strand requires a starting point, which is provided by an RNA primer.
Identify the role of primase, an enzyme that synthesizes a short RNA primer complementary to the DNA template strand.
Note that the RNA primer provides a free 3'-OH group for DNA polymerase to begin adding DNA nucleotides.
Acknowledge that the synthesis of the RNA primer by primase is the initial step in the formation of a new DNA strand during replication.
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