Worksheets13U8L2 Gene Expression in Eukaryotes
Total questions: 10
Worksheet time: 6mins
Proteins called [?] control gene expression in eukaryotes
(a)
A transcription factor binds to the [?] of a gene
(a)
Some transcription factors decrease the rate of transcription of a gene.
True
False
In plants, germination occurs in response to a hormone called...
Gibberellin
PIF
DELLA
RNA polymerase
What is the mechanism that enables the amylase gene to be transcribed?
PIF binds to the operator
DELLA binds to the operator
PIF binds to the promoter
DELLA binds to the promoter
What prevents PIF from binding to the promoter of the amylase gene?
DELLA is bound to PIF
Gibberellin is bound to PIF
An enzyme is bound to PIF
RNA polymerase is bound to PIF
How does the presence of gibberellin allow transcription of the amylase gene?
Gibberellin causes the breakdown of DELLA
Gibberellin causes the breakdown of PIF
Gibberellin binds to PIF
Gibberellin binds to DELLA
What effect does the presence of gibberellin have on the expression of the amylase gene in plant seeds?
Increases expression
Decreases expression
How does gibberellin cause the breakdown of DELLA?
Gibberellin binds to a receptor on an enzyme
Gibberellin binds to DELLA
Gibberellin binds to PIF
Gibberellin binds to an enzyme
What is DELLA?
A repressor protein
An enzyme
A transcription factor
A promoter
