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Gene Expression Regulation in Prokaryotes and Eukaryotes

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Gene Expression Regulation in Prokaryotes and Eukaryotes

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Questions and Answers

What is the typical regulatory unit in prokaryotic gene expression?

A gene family

A DNA polymerase

A chromosome

An operon (correct)

Why is eukaryotic gene regulation more complex compared to prokaryotic regulation?

Eukaryotes have a more complex cell structure

Eukaryotes have a nucleus, which separates transcription and translation (correct)

Eukaryotes have a faster rate of gene expression

Eukaryotes have a smaller genome size

What is the primary difference between short-term and long-term eukaryotic gene regulation?

The number of genes involved

The response to environmental stimuli

The type of genes regulated

The duration of gene expression (correct)

What is a characteristic of prokaryotic gene expression that is not seen in eukaryotic gene expression?

Transcription and translation are coupled Signup and view all the answers

What is the term for the collection of controlling sites adjacent to polycistronic protein-coding sequences?

Operon Signup and view all the answers

What is the primary function of operons in prokaryotic gene expression?

To regulate gene expression in response to environmental changes Signup and view all the answers

What is a key feature of eukaryotic gene regulation that is not characteristic of prokaryotic gene regulation?

Coupling of transcription and translation Signup and view all the answers

What is the purpose of short-term eukaryotic gene regulation?

To regulate gene expression in response to environmental changes Signup and view all the answers

How do eukaryotic genes differ from prokaryotic genes in terms of their regulation?

Eukaryotic genes are regulated in units of protein-coding sequences, while prokaryotic genes are regulated individually Signup and view all the answers

What is the significance of the nucleus in eukaryotic gene regulation?

It enables the separation of transcription and translation Signup and view all the answers