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Questions and Answers
What is the role of helicase in DNA replication?
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?
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?
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?
What is the role of DNA polymerase I during Okazaki fragment processing?
What is the role of DNA ligase 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 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?
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 promoter region in transcription?
What is the role of the template strand during 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?
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 DNA ligase during Okazaki fragment processing?
What is the role of primase in DNA replication?
What is the role of primase in DNA replication?
How many hydrogen bonds are present between adenine and thymine?
How many hydrogen bonds are present between adenine and thymine?
What is the role of topoisomerase in DNA replication?
What is the role of topoisomerase in DNA replication?
Which stage of gene expression involves the synthesis of mRNA from DNA?
Which stage of gene expression involves the synthesis of mRNA from DNA?
What is the role of ribosomes in gene expression?
What is the role of ribosomes in gene expression?
How are the two DNA strands oriented in relation to each other?
How are the two DNA strands oriented in relation to each other?
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