Multiple Choice
How does RNA polymerase differ from DNA polymerase?
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14. DNA Synthesis
DNA Polymerases
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Which subunit of DNA polymerase III forms the sliding clamp?
A
Gamma subunit
B
Delta subunit
C
Alpha subunit
D
Beta subunit
Verified step by step guidance1
Understand the role of DNA polymerase III in DNA replication. It is responsible for the synthesis of the new DNA strand by adding nucleotides to the growing chain.
Recognize that DNA polymerase III is a complex enzyme composed of multiple subunits, each with a specific function in the replication process.
Learn about the sliding clamp, which is a component of DNA polymerase III that helps to hold the polymerase onto the DNA strand, allowing for efficient and rapid DNA synthesis.
Identify the subunit responsible for forming the sliding clamp. In the context of DNA polymerase III, the beta subunit is known to form the sliding clamp.
Review the options provided: Gamma subunit, Delta subunit, Alpha subunit, and Beta subunit. Confirm that the beta subunit is the correct answer as it forms the sliding clamp in DNA polymerase III.
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