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Questions and Answers

What is the function of the TATA box in transcription?

It contains A and T to pull DNA strands apart (correct)

It assists in the elongation stage of transcription

It provides a specific binding site for the rho factor

It helps in the initiation of mRNA splicing

Which factor is involved in rho-dependent termination of transcription?

Reverse transcriptase

Ribosome

Release factor

Rho factor (correct)

What is the role of introns in the transcription process?

They provide a sequence for reverse transcription

They initiate the initiation stage of transcription

They are non-coding regions that need to be removed (correct)

They assist in the termination of mRNA splicing

Where does mRNA mature and become ready for transcription?

Nucleus Signup and view all the answers

Which enzyme is involved in reverse transcription?

Viral reverse transcriptase Signup and view all the answers

What is the function of tRNA during translation?

It brings amino acids one by one to add polypeptide chain Signup and view all the answers

What is the enzyme responsible for unwinding the parental DNA duplex during replication?

Helicase Signup and view all the answers

Which enzyme is responsible for connecting the Okazaki fragments on the lagging strand during DNA replication?

DNA ligase Signup and view all the answers

What is the first step of gene expression called?

Transcription Signup and view all the answers

Which enzyme is responsible for transcribing DNA to RNA through base pairing?

RNA polymerase Signup and view all the answers

What region of the DNA does RNA polymerase bind to during transcription?

"Promoter" Signup and view all the answers

What helps RNA polymerase to get a foothold on the DNA before attachment to the promoter during transcription?

"Basal transcription factor" Signup and view all the answers