What are the transcription factors?
Transcription Factors

Quiz
•
Science
•
11th Grade
•
Hard
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Molecules that provide ATP to transcription unit
Molecules that synthesize RNA during transcription
Molecules that bring amino acids to the transcription unit
Molecules that bind to enhance/inhibit transcription.
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
RNA polymerase needs --- to initiate transcription.
holoenzymes
transcriptional factors
histones
microRNA
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
When tryptophan (try) is absent, the trp represser unbinds from the operator and this results in RNA synthesis to do what?
be blocked
proceed
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of these is not a function of eukaryotic transcription factors?
control rate of transcription
ensure gene is used at the right time
stabilize the binding of RNA polymerase
prevent messenger RNA from translating
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What role do transcription factors play in gene expression?
They degrade mRNA after transcription.
They bind to DNA to regulate transcription.
They transport RNA out of the nucleus.
They splice introns from pre-mRNA.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a characteristic of transcription factors?
They are proteins that bind to specific DNA sequences.
They are lipids that interact with RNA polymerase.
They are carbohydrates that modify RNA.
They are nucleic acids that form ribosomes.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How do transcription factors influence the transcription of a gene?
By altering the DNA sequence of the gene.
By binding to enhancers or silencers near the gene.
By converting DNA into RNA.
By transporting RNA to the ribosome.
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