Multiple Choice
Which cluster of terms accurately reflects the nature of DNA replication in prokaryotes?
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8. DNA Replication
Overview of DNA Replication
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Which of the following best describes the function of DNA replication complexes during DNA synthesis?
A
They synthesize RNA primers independently of other replication proteins.
B
They coordinate the activities of multiple enzymes, including helicase, primase, and DNA polymerase, to ensure accurate and efficient DNA replication.
C
They are single enzymes responsible for both unwinding DNA and synthesizing new strands.
D
They only function to repair errors after DNA replication is complete.
Verified step by step guidance1
Understand that DNA replication complexes are multi-protein assemblies that work together during DNA synthesis rather than acting as single enzymes.
Recognize the key enzymes involved in DNA replication: helicase (unwinds the DNA double helix), primase (synthesizes RNA primers), and DNA polymerase (extends the new DNA strand).
Know that the replication complex coordinates these enzymes to ensure the DNA strands are unwound, primers are laid down, and new DNA strands are synthesized efficiently and accurately.
Realize that the replication complex does not function independently to synthesize RNA primers; primase is part of the complex and works in coordination with other enzymes.
Understand that the replication complex's role is primarily during DNA synthesis, not just in error repair after replication is complete.
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