Regulation of Gene Expression and Lac Operon
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NEET DIGITAL LIBRARY
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342980 The lac operon consists of one regulatory gene (the i gene - here the term i does not refer to ___ A, rather it is derived from the word___ B)

1 \[\begin{array}{*{20}{c}}
{{\rm{A}}\;{\rm{ - }}\;{\rm{inhibitor,}}}&{\;\;\;}&{{\rm{B}}\;{\rm{ - }}\;{\rm{inducer}}}
\end{array}\]
2 \[\begin{array}{*{20}{c}}
{{\rm{A - inducer}}\;{\rm{,}}}&{\;\;\;}&{{\rm{ B - inhibitor}}}
\end{array}\]
3 \[\begin{array}{*{20}{c}}
{{\rm{A - repressor,}}}&{\;\;}&{{\rm{B - inhibitor}}}
\end{array}\]
4 \[\begin{array}{*{20}{c}}
{{\rm{A - inducer,}}}&{\;\;\;\;\;}&{{\rm{B - invisible}}}
\end{array}\]
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342981 The lactose present in the growth medium of bacteria is transported to the cell by the action of

1 Beta-galactosidase
2 Acetylase
3 Permease
4 Polymerase
NEET - 2024
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342982 The elucidation of the lac operon was a result of a close association between

1 A geneticist, Francois Jacob and a chemist, Jacque Monod.
2 A biochemist, Francois Jacob and a geneticist, Jacque Monod.
3 A geneticist, Francois Jacob and a biologist, Jacque Monod.
4 A geneticist, Francois Jacob and a biochemist, Jacque Monod.
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342983 Match the scientists of Column I with their contributions in Column II
Column I
Column II
A
Griffith
P
Lac operon
B
Jacob & Monad
Q
DNA is the genetic material
C
Meselson & Stahl
R
Transforming principle
D
Hershey and Chase
S
DNA replicates semi- conservativelys.

1 \({\text{A - P; B - Q; C - R; D - S}}\)
2 \({\text{A - P; B - S; C - Q; D - R}}\)
3 \({\text{A - R; B - P; C - S; D - Q}}\)
4 \({\text{A - R; B - Q; C - P; D - S}}\)
KCET - 2021
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BIOXII06: MOLECULAR BASIS OF INHERITANCE

342980 The lac operon consists of one regulatory gene (the i gene - here the term i does not refer to ___ A, rather it is derived from the word___ B)

1 \[\begin{array}{*{20}{c}}
{{\rm{A}}\;{\rm{ - }}\;{\rm{inhibitor,}}}&{\;\;\;}&{{\rm{B}}\;{\rm{ - }}\;{\rm{inducer}}}
\end{array}\]
2 \[\begin{array}{*{20}{c}}
{{\rm{A - inducer}}\;{\rm{,}}}&{\;\;\;}&{{\rm{ B - inhibitor}}}
\end{array}\]
3 \[\begin{array}{*{20}{c}}
{{\rm{A - repressor,}}}&{\;\;}&{{\rm{B - inhibitor}}}
\end{array}\]
4 \[\begin{array}{*{20}{c}}
{{\rm{A - inducer,}}}&{\;\;\;\;\;}&{{\rm{B - invisible}}}
\end{array}\]
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342981 The lactose present in the growth medium of bacteria is transported to the cell by the action of

1 Beta-galactosidase
2 Acetylase
3 Permease
4 Polymerase
NEET - 2024
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342982 The elucidation of the lac operon was a result of a close association between

1 A geneticist, Francois Jacob and a chemist, Jacque Monod.
2 A biochemist, Francois Jacob and a geneticist, Jacque Monod.
3 A geneticist, Francois Jacob and a biologist, Jacque Monod.
4 A geneticist, Francois Jacob and a biochemist, Jacque Monod.
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342983 Match the scientists of Column I with their contributions in Column II
Column I
Column II
A
Griffith
P
Lac operon
B
Jacob & Monad
Q
DNA is the genetic material
C
Meselson & Stahl
R
Transforming principle
D
Hershey and Chase
S
DNA replicates semi- conservativelys.

1 \({\text{A - P; B - Q; C - R; D - S}}\)
2 \({\text{A - P; B - S; C - Q; D - R}}\)
3 \({\text{A - R; B - P; C - S; D - Q}}\)
4 \({\text{A - R; B - Q; C - P; D - S}}\)
KCET - 2021
For More Updates join with Us
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342980 The lac operon consists of one regulatory gene (the i gene - here the term i does not refer to ___ A, rather it is derived from the word___ B)

1 \[\begin{array}{*{20}{c}}
{{\rm{A}}\;{\rm{ - }}\;{\rm{inhibitor,}}}&{\;\;\;}&{{\rm{B}}\;{\rm{ - }}\;{\rm{inducer}}}
\end{array}\]
2 \[\begin{array}{*{20}{c}}
{{\rm{A - inducer}}\;{\rm{,}}}&{\;\;\;}&{{\rm{ B - inhibitor}}}
\end{array}\]
3 \[\begin{array}{*{20}{c}}
{{\rm{A - repressor,}}}&{\;\;}&{{\rm{B - inhibitor}}}
\end{array}\]
4 \[\begin{array}{*{20}{c}}
{{\rm{A - inducer,}}}&{\;\;\;\;\;}&{{\rm{B - invisible}}}
\end{array}\]
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342981 The lactose present in the growth medium of bacteria is transported to the cell by the action of

1 Beta-galactosidase
2 Acetylase
3 Permease
4 Polymerase
NEET - 2024
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342982 The elucidation of the lac operon was a result of a close association between

1 A geneticist, Francois Jacob and a chemist, Jacque Monod.
2 A biochemist, Francois Jacob and a geneticist, Jacque Monod.
3 A geneticist, Francois Jacob and a biologist, Jacque Monod.
4 A geneticist, Francois Jacob and a biochemist, Jacque Monod.
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342983 Match the scientists of Column I with their contributions in Column II
Column I
Column II
A
Griffith
P
Lac operon
B
Jacob & Monad
Q
DNA is the genetic material
C
Meselson & Stahl
R
Transforming principle
D
Hershey and Chase
S
DNA replicates semi- conservativelys.

1 \({\text{A - P; B - Q; C - R; D - S}}\)
2 \({\text{A - P; B - S; C - Q; D - R}}\)
3 \({\text{A - R; B - P; C - S; D - Q}}\)
4 \({\text{A - R; B - Q; C - P; D - S}}\)
KCET - 2021
NEET DIGITAL LIBRARY
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342980 The lac operon consists of one regulatory gene (the i gene - here the term i does not refer to ___ A, rather it is derived from the word___ B)

1 \[\begin{array}{*{20}{c}}
{{\rm{A}}\;{\rm{ - }}\;{\rm{inhibitor,}}}&{\;\;\;}&{{\rm{B}}\;{\rm{ - }}\;{\rm{inducer}}}
\end{array}\]
2 \[\begin{array}{*{20}{c}}
{{\rm{A - inducer}}\;{\rm{,}}}&{\;\;\;}&{{\rm{ B - inhibitor}}}
\end{array}\]
3 \[\begin{array}{*{20}{c}}
{{\rm{A - repressor,}}}&{\;\;}&{{\rm{B - inhibitor}}}
\end{array}\]
4 \[\begin{array}{*{20}{c}}
{{\rm{A - inducer,}}}&{\;\;\;\;\;}&{{\rm{B - invisible}}}
\end{array}\]
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342981 The lactose present in the growth medium of bacteria is transported to the cell by the action of

1 Beta-galactosidase
2 Acetylase
3 Permease
4 Polymerase
NEET - 2024
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342982 The elucidation of the lac operon was a result of a close association between

1 A geneticist, Francois Jacob and a chemist, Jacque Monod.
2 A biochemist, Francois Jacob and a geneticist, Jacque Monod.
3 A geneticist, Francois Jacob and a biologist, Jacque Monod.
4 A geneticist, Francois Jacob and a biochemist, Jacque Monod.
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342983 Match the scientists of Column I with their contributions in Column II
Column I
Column II
A
Griffith
P
Lac operon
B
Jacob & Monad
Q
DNA is the genetic material
C
Meselson & Stahl
R
Transforming principle
D
Hershey and Chase
S
DNA replicates semi- conservativelys.

1 \({\text{A - P; B - Q; C - R; D - S}}\)
2 \({\text{A - P; B - S; C - Q; D - R}}\)
3 \({\text{A - R; B - P; C - S; D - Q}}\)
4 \({\text{A - R; B - Q; C - P; D - S}}\)
KCET - 2021
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