Transcription - PROKARYOTES

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Midterm 4 - (BIOL251)

Last updated 8:02 PM on 4/14/26
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8 Terms

1
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  • What are the three stages of transcription?

  • Describe what happens in each stage.

2
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What are the differences between RNA and DNA, structurally AND functionally?

3
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  • What parts of DNA make up the transcription unit?

  • Draw and label a typical prokaryotic transcriptional unit.

4
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Describe the structure AND function of the holoenzyme of bacterial RNA polymerase.

5
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How does RNA polymerase recognize the promoter in a bacterial transcription unit?

6
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  • What are the two types of terminators found in prokaryotic transcriptional units?

  • Describe the structure of each type.

7
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Describe how RNA polymerase differs from a DNA polymerase. 

8
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Why does the 1st nucleotide at the 5' end of a RNA molecule contain 3 phosphate groups, at least initially?