Gene Expression and Regulation

Quiz
•
Science
•
12th Grade
•
Hard
+1
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does the lactose do to the Operon?
Blocks transcription of the lactase gene by cutting up the DNA
Binds to the repressor preventing it from attaching to the operator
The lactose binds promoter to prevent transcription
Allows for the transcription rate of lactase to slow down
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the lac operon the inducer is
lactose
glucose
galactose
all of the above
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The lac operon genes only become expressed if:
lactose binds to the repressor
glucose binds to the repressor
lactose binds to the operator
the repressor binds to the operator
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What process is steps 1-3 referring to?
DNA Replication
Transcription
Translation
Nucleus
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is 11. pointing to?
Cytoplasm
Ribosome
mRNA
Nucleus
Tags
NGSS.HS-LS1-1
NGSS.HS-LS1-6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is 2. pointing to?
Cytoplasm
Ribosome
mRNA
Nucleus
Tags
NGSS.HS-LS1-1
NGSS.HS-LS1-6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What process is step 12 referring to?
DNA Replication
Transcription
Translation
Nucleus
Tags
NGSS.HS-LS1-1
NGSS.HS-LS1-6
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