WorksheetsLac operon
Total questions: 7
Worksheet time: 4mins
Name
Class
Date
1.
The sequence where lac repressor binds on operon is called_______
a)
promoter
b)
lac z
c)
operator
d)
lac I
2.
Which of the following is not a structural gene?
a)
lac z
b)
lac y
c)
lac a
d)
lac I
3.
In the lac operon the inducer is
a)
allolactose
b)
glucose
c)
galactose
d)
all of the above
4.
What is 1 in the diagram?
a)
RNA polymerase
b)
Inducer
c)
Repressor
d)
Operator
5.
In the bottom picture the operon is
a)
on
b)
off
6.
what is an operon?
a)
a part of a ribsome
b)
a part of a Rna
c)
a unit made up of linked genes that code for proteins needed to do a specific task
d)
needed for dna replication
7.
What is the name of the stretch of DNA where RNA polymerase binds?
a)
operator
b)
promoter
c)
enhancer
d)
origin
100 %
