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Transcription in Prokaryotes Quiz

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Questions and Answers

Where does transcription take place in prokaryotes?

On the ribosomes

In the nucleus

In the cytoplasm (correct)

Inside the mitochondria

What is the function of the Shine-Dalgarno sequence in prokaryotic mRNA?

Enables mRNA transport to the ribosomes

Prevents degradation of mRNA

Facilitates the initiation of protein synthesis (correct)

Codes for the stop signal in translation

What is the role of RNA polymerase in transcription?

Initiates DNA replication

Maintains the double-stranded DNA region

Facilitates protein synthesis

Covers the single-stranded DNA region (correct)

Which type of RNA carries amino acids to the ribosome for protein synthesis?

Transfer RNA (tRNA) Signup and view all the answers

What is the rate of RNA polymerase during transcription compared to DNA polymerase during replication?

Slower Signup and view all the answers

Which enzyme is responsible for the binding to the DNA template in prokaryotic RNA polymerase?

Beta' subunit Signup and view all the answers

What is the start point for transcription in prokaryotes?

-10 region Signup and view all the answers

Which subunit of prokaryotic RNA polymerase is responsible for assembly of beta and beta' subunits?

Alpha subunit Signup and view all the answers

What is the role of the sigma factor in prokaryotic RNA polymerase?

Recognizing the correct promoter site Signup and view all the answers

In prokaryotic RNA polymerase, what is the function of the holoenzyme?

Binding to the promoter region with high affinity Signup and view all the answers