
A level Biology - Control of gene expression
Quiz
•
Science, Biology
•
11th Grade
•
Practice Problem
•
Hard

Ruth Unitt
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The structural genes and control regions involved in the control of lactose metabolism
Lactose operator
Lac operator
Lac operon
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The repressor protein binds to the operator region when.....
Lactose is present
lactose is not present
Glucose and lactose are present
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Within the operon, RNA polymerase binds to.......
The regulatory gene
The operator region
The promoter region
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The channel protein that facilitates the diffusion of lactose is.......
L galactosidase
Lactose permease
Lactose diffusase
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An enzyme that breaks down lactose is called
B galactosidase
L galactosidase
B lactosidase
L lactosidase
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lactose is broken down into ......
Glucose and ribose
Galactose and fructose
glucose and fructose
Glucose and galactose
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Genes that code for proteins involved in the control of transcription
Regulatory genes
Structural genes
Transcription genes
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