Chapter 15 — LO 2 — Compare Gene Regulation in Prokaryotes and Eukaryotes

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5 Terms

1
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What regulation mechanism occurs in both prokaryotes and eukaryotes?

Regulatory proteins can activate or repress transcription.

2
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Why is transcription regulation especially important in bacteria?

It allows rapid responses and coordinated expression through operons.

3
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Why do eukaryotes have more regulatory stages?

A nucleus separates transcription and translation, allowing RNA processing and additional controls.

4
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What is an operon?

A group of genes controlled together by shared regulatory DNA and often transcribed into one mRNA.

5
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When is the trp operon usually expressed?

When tryptophan is scarce.