DNA Structure and Genetics

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What is the direction of DNA synthesis by DNA polymerase III?

5' → 3' (correct)

Either direction

Both directions

3' → 5'

What is the role of RNA primer in DNA replication?

To proofread DNA

To repair DNA damage

To ligate Okazaki fragments

To initiate DNA synthesis (correct)

What is the function of DNA polymerase I?

To ligate Okazaki fragments

To synthesize DNA continuously

To unwind DNA double helix

To remove RNA primer and replace with DNA (correct)

What is the name of the enzyme that 'spot welds' Okazaki fragments?

Ligase Signup and view all the answers

What is the characteristic of DNA synthesis on the leading strand?

Continuous synthesis Signup and view all the answers

What is the role of DNA polymerase III in DNA replication?

To synthesize DNA on the leading strand Signup and view all the answers

What is the characteristic of DNA synthesis on the lagging strand?

Discontinuous synthesis Signup and view all the answers

What is the function of primase in DNA replication?

To synthesize RNA primer Signup and view all the answers

What is the direction of Okazaki fragment synthesis?

5' → 3' Signup and view all the answers

What is the limitation of DNA polymerase III?

It can only synthesize DNA in a 5' → 3' direction Signup and view all the answers

DNA Structure and Genetics

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Questions and Answers

What is the direction of DNA synthesis by DNA polymerase III?

What is the role of RNA primer in DNA replication?

What is the function of DNA polymerase I?

What is the name of the enzyme that 'spot welds' Okazaki fragments?

What is the characteristic of DNA synthesis on the leading strand?

What is the role of DNA polymerase III in DNA replication?

What is the characteristic of DNA synthesis on the lagging strand?

What is the function of primase in DNA replication?

What is the direction of Okazaki fragment synthesis?

What is the limitation of DNA polymerase III?

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