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DNA Replication Process Quiz

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Questions and Answers

What is the role of helicase in DNA replication?

It removes RNA primers from Okazaki fragments

It unwinds the parental double helix (correct)

It synthesizes the leading strand continuously

It stabilizes the unwound template strands

What is the function of single-strand binding proteins during DNA replication?

They initiate primer synthesis by primase

They remove RNA primers from the leading strand

They stabilize the unwound template strands (correct)

They join the Okazaki fragments together

What is the direction of synthesis for the leading strand?

Discontinuous

3' to 5'

Both 3' to 5' and 5' to 3'

5' to 3' (correct)

What is the role of DNA polymerase I during Okazaki fragment processing?

It removes RNA primers and replaces them with DNA (B) Signup and view all the answers

What is the role of DNA ligase during Okazaki fragment processing?

It joins the Okazaki fragments together (B) Signup and view all the answers

Which type of RNA carries the genetic message from the DNA to the cytoplasm?

Messenger RNA (mRNA) (C) Signup and view all the answers

Which of the following is the main component of ribosomes, where polypeptide chains are built?

Ribosomal RNA (rRNA) (D) Signup and view all the answers

What is the role of the promoter region in transcription?

It is where RNA polymerase binds to initiate transcription. (A) Signup and view all the answers

What is the role of the template strand during transcription?

It is the strand that is used to synthesize mRNA. (D) Signup and view all the answers

Which of the following is the direction of synthesis for the leading strand during DNA replication?

5' to 3' (A) Signup and view all the answers

What is the role of DNA ligase during Okazaki fragment processing?

It joins the Okazaki fragments together on the lagging strand. (C) Signup and view all the answers

What is the role of primase in DNA replication?

Synthesizes the RNA primer (D) Signup and view all the answers

How many hydrogen bonds are present between adenine and thymine?

2 (D) Signup and view all the answers

What is the role of topoisomerase in DNA replication?

Relieves torsional strain (D) Signup and view all the answers

Which stage of gene expression involves the synthesis of mRNA from DNA?

Transcription (D) Signup and view all the answers

What is the role of ribosomes in gene expression?

Synthesize proteins (C) Signup and view all the answers

How are the two DNA strands oriented in relation to each other?

Anti-parallel (B) Signup and view all the answers

DNA Replication Process Quiz

Choose a study mode

Podcast

Questions and Answers

What is the role of helicase in DNA replication?

What is the function of single-strand binding proteins during DNA replication?

What is the direction of synthesis for the leading strand?

What is the role of DNA polymerase I during Okazaki fragment processing?

What is the role of DNA ligase during Okazaki fragment processing?

Which type of RNA carries the genetic message from the DNA to the cytoplasm?

Which of the following is the main component of ribosomes, where polypeptide chains are built?

What is the role of the promoter region in transcription?

What is the role of the template strand during transcription?

Which of the following is the direction of synthesis for the leading strand during DNA replication?

What is the role of DNA ligase during Okazaki fragment processing?

What is the role of primase in DNA replication?

How many hydrogen bonds are present between adenine and thymine?

What is the role of topoisomerase in DNA replication?

Which stage of gene expression involves the synthesis of mRNA from DNA?

What is the role of ribosomes in gene expression?

How are the two DNA strands oriented in relation to each other?

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