Methylation and Acetylation
Authored by Lisa Thompson
Science
University
NGSS covered
Used 3+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What can DNA methylation cause in terms of gene activity?
Short-term activation of genes.
Long-term activation of genes.
Long-term inactivation of genes.
Immediate inactivation of genes.
Tags
NGSS.HS-LS3-2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the effect of DNA methylation on the transcription of certain DNA bases?
It increases transcription.
It has no effect on transcription.
It reduces transcription.
It completely stops transcription.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the effect of the addition of methyl groups (methylation) to chromatin?
It promotes the initiation of transcription
It opens up the chromatin structure
It condenses chromatin and reduces transcription
It attaches acetyl groups to amino acids in histone tails
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the result of histone acetylation on chromatin structure?
It condenses chromatin and reduces transcription
It has no effect on chromatin structure
It opens up the chromatin structure, promoting the initiation of transcription
It removes acetyl groups from the histone tails
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the primary effect of DNA methylation on gene expression?
It activates gene expression.
It silences gene expression.
It has no effect on gene expression.
It enhances gene expression.
Tags
NGSS.HS-LS3-2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which enzyme is responsible for adding methyl groups to DNA?
DNA polymerase
DNA ligase
DNA methyltransferase
DNA helicase
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How does histone acetylation affect chromatin structure?
It condenses chromatin, reducing transcription.
It opens up chromatin, promoting transcription.
It has no effect on chromatin structure.
It removes methyl groups from DNA.
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