DNA Replication and Transcription Concepts Quiz

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What is the function of Topoisomerase in DNA replication?

To proofread the strand

To prevent supercoils (correct)

To produce supercoils

To synthesize nucleotides

What is the role of Primase in DNA replication?

To proofread the strand

To lay down primers and enable DNA Polymerase III (correct)

To remove primers

To synthesize nucleotides

What is the function of DNA Polymerase III?

To fuse ends of nucleotides together

To synthesize nucleotides

To remove primers

To proofread the strand and has an exonuclease activity (correct)

What is the purpose of NRTI in HIV treatment?

To inhibit viral replication by incorporating a nucleotide with no OH group Signup and view all the answers

What is the role of Ligase in DNA replication?

To fuse ends of nucleotides together at the lagging strand Signup and view all the answers

What is the purpose of P53 in cellular reproduction?

To command apoptotic genes when there’s a malfunction during replication Signup and view all the answers

What is the role of Mediator in gene transcription?

It acts as a binding site for gene-specific transcription factors Signup and view all the answers

Which transcription factor enhances the attachment of RNA polymerase II and elongation factors?

CREB Signup and view all the answers

What is the function of TFIIH in transcription?

It catalyzes the movement of RNA polymerase II Signup and view all the answers

What is the sequence that marks the end of a transcript for termination?

AAUAAA Signup and view all the answers

Which factor is involved in cleaving mRNA downstream of the poly A signal?

CPSF 75 Signup and view all the answers

What is the role of NElF in transcription?

It inhibits P-TEFB Signup and view all the answers

DNA Replication and Transcription Concepts Quiz

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Questions and Answers

What is the function of Topoisomerase in DNA replication?

What is the role of Primase in DNA replication?

What is the function of DNA Polymerase III?

What is the purpose of NRTI in HIV treatment?

What is the role of Ligase in DNA replication?

What is the purpose of P53 in cellular reproduction?

What is the role of Mediator in gene transcription?

Which transcription factor enhances the attachment of RNA polymerase II and elongation factors?

What is the function of TFIIH in transcription?

What is the sequence that marks the end of a transcript for termination?

Which factor is involved in cleaving mRNA downstream of the poly A signal?

What is the role of NElF in transcription?

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