Lac and Trp Operon
Authored by Lisa Thompson
Science
11th Grade
Used 3+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What types of cells have operons?
Eukaryotes
Prokaryotes
Neither eukaryotes nor prokaryotes
Both eukaryotes and prokaryotes
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What binds to the promoter?
DNA polymerase
Operator
Repressor
RNA polymerase
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Where does the repressor in an operon bind?
Operator
Promoter
Regulatory sequence
TATA box
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the repressor is bound to the operator…
RNA polymerase is able to bind, the operon is off
RNA polymerase is able to bind, the operon is on
RNA polymerase is unable to bind, the operon is off
RNA polymerase is unable to bind, the operon is on
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Operons are found in which of the following organisms?
Bacteria(prokaryotes)
plants and animals(eukaryotes)
only animals
virsuses
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An operon consists of all the the following EXCEPT
operator
promoter
regulatory gene
genes of the operon
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The lac operon is…
Inducible operon so starts off and is activated by lactose
Inducible operon so starts on and is deactivated by lactose
Repressible operon so starts off and is activated by lactose
Repressible operon so starts on and is deactivated by lactose
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