a Describe a difference between the RNA polymerases of eukar

a.) Describe a difference between the RNA polymerases of eukaryotes and prokaryotes.

b.) Which of the following enzymes are known to be involved in the replication of DNA in bacteria?

Check all that apply.

DNA Polymerase I

RNA Polymerase II   

DNA Polymerase II   

RNA primase   

ligase

Solution

Thanks for the question

Prokaryotic transcription occurs in the cell cytoplasm and, in prokaryotes, both transcription and translation happen simultaneously. Eukaryotic transcription occurs in the cell nucleus and, in eukaryotes, transcription and translation differ in space and time. RNA polymerases are an essential requirement for transcription.

Eukaryotic cells are more complex than bacteria in many ways, including in terms of transcription. Specifically, in eukaryotes, transcription is achieved by three different types of

RNA polymerase (RNA pol I-III).

These polymerases differ in the number and type of subunits they contain, as well as the class of RNAs they transcribe

RNA pol I transcribes ribosomal RNAs (rRNAs),

RNA pol II transcribes RNAs that will become messenger RNAs (mRNAs) and also small regulatory RNAs

RNA pol III transcribes small RNAs such as transfer RNAs (tRNAs).

Replication of DNA in bacteria requires

DNA Polymerase I

DNA Polymerase II   

RNA primase   

ligase

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