5' to 3'

What is the direction of DNA synthesis during replication?

• 5' to 3'

• No direction

• Random direction

• 3' to 5'

Which enzyme is responsible for unwinding the DNA double helix during replication?

• topoisomerase

• ligase

• polymerase

• helicase

What is the function of DNA polymerase during replication?

• DNA polymerase breaks down DNA strands during replication.

• DNA polymerase repairs damaged DNA during replication.

• DNA polymerase regulates the speed of replication.

• DNA polymerase synthesizes new DNA strands during replication.

What is the role of primase in DNA replication?

• Primase synthesizes RNA primers for DNA replication.

• Primase unwinds the DNA double helix during replication.

• Primase proofreads the newly synthesized DNA strands.

• Primase repairs damaged DNA during replication.

What is the template for DNA replication?

• double-stranded DNA molecule

• lipid molecule

• protein molecule

• single-stranded RNA molecule

What is the purpose of the leading strand in DNA replication?

• To synthesize discontinuously in the 3' to 5' direction.

• To synthesize continuously in the 3' to 5' direction.

• To synthesize discontinuously in the 5' to 3' direction.

• To synthesize continuously in the 5' to 3' direction.

What is the purpose of the lagging strand in DNA replication?

• To repair damaged DNA

• To unwind the DNA double helix

• To proofread and correct errors in DNA replication

• To synthesize Okazaki fragments

What is the role of RNA polymerase in transcription?

• RNA polymerase repairs DNA during transcription.

• RNA polymerase copies DNA during transcription.

• RNA polymerase breaks down RNA during transcription.

• RNA polymerase synthesizes RNA from a DNA template during transcription.

What is the function of mRNA in protein synthesis?

• mRNA acts as a structural component of ribosomes

• mRNA is responsible for the production of ATP in the cell

• mRNA carries genetic information from DNA to ribosomes

• mRNA helps in the replication of DNA

What is the process of synthesizing mRNA called?

• transcription

• translation

• replication

• translocation