Recent Lessons

Show all results for ""

Molecular Biology: Regulation of Gene Expression

10 Questions

0 Views

Molecular Biology: Regulation of Gene Expression

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is a key difference in gene regulation between prokaryotes and eukaryotes?

Prokaryotes have additional RNA processing events
Transcription occurs in the cytoplasm in eukaryotes
Chromatin structure makes DNA unavailable to transcription machinery in eukaryotes (correct)
Eukaryotes have more gene regulation mechanisms

What is a major function of enhancers in eukaryotic gene regulation?

To control transcription initiation (correct)
To process RNA
To repress transcription
To initiate transcription

Where does transcription take place in eukaryotic cells?

In the ribosomes
In the cytoplasm
In the nucleus (correct)
In the mitochondria

What is regulated in eukaryotic gene expression to control the amount of active gene product?

Multiple steps including transcription initiation and translation (B) Signup and view all the answers

What is the result of gene regulation in eukaryotes?

Cellular differentiation into hundreds of specialized cell types (C) Signup and view all the answers

What is unique about transcription in eukaryotes compared to prokaryotes?

Transcription occurs in the nucleus and translation occurs in the cytoplasm (B) Signup and view all the answers

What is a key difference between prokaryotic and eukaryotic gene regulation?

Eukaryotes have additional levels of complexity for controlling gene expression (D) Signup and view all the answers

What is a function of chromatin structure in eukaryotes?

To make DNA unavailable to transcription machinery (C) Signup and view all the answers

What is the result of regulating multiple steps in eukaryotic gene expression?

A controlled amount of active gene product (C) Signup and view all the answers

What is a key function of gene regulation in eukaryotes?

To control cellular differentiation into hundreds of specialized cell types (B) Signup and view all the answers