Cellular Control

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  • Created by: Aetheriox
  • Created on: 06-01-23 13:45
How many base pairs does the lac operon consist of?
6000
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What enzyme does the structural gene lacZ code for?
Beta-galactosidase.
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What enzyme does the structural gene lacY code for?
Lactose permease.
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What prevents RNA polymerase from binding to a promoter region?
Repressor Protein.
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Why can lactose be respired by E.coli once glucose stores have been expired?
Lactose binds to the LacI repressor protein, forming a inducer-repressor complex and allowing RNA polymerase to transcribe enzymes.
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What percentage of genes are transcription factors in humans?
8%
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Other cards in this set

Card 2

Front

What enzyme does the structural gene lacZ code for?

Back

Beta-galactosidase.

Card 3

Front

What enzyme does the structural gene lacY code for?

Back

Preview of the front of card 3

Card 4

Front

What prevents RNA polymerase from binding to a promoter region?

Back

Preview of the front of card 4

Card 5

Front

Why can lactose be respired by E.coli once glucose stores have been expired?

Back

Preview of the front of card 5
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