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

342962 In eukaryotes, the regulation could be exerted at
I. Transcriptional level
II. Processing level
III. Transport of mRNA (from nucleus to cytoplasm).
IV. Translational level
Which is the correct

1 I and II
2 I and III
3 II and IV
4 I,II,III, IV
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342963 Match the following genes of the Lac operon with their respective products :
1. i gene    (i) \(\beta\)-galactosidase
2. z gene  (ii) Permease
3. a gene  (iii) Repressor
y gene  (iv) Transacetylase
Select the correct option.

1 \({\rm{1 - (i),}}\;{\rm{2 - (iii),}}\;{\rm{3 - (ii),}}\;{\rm{4 - (iv)}}\)
2 \({\rm{1 - (iii),}}\;{\rm{2 - (i),}}\;{\rm{3 - (ii),}}\;{\rm{4 - (iv)}}\)
3 \({\rm{1 - (i),}}\;{\rm{2 - (iii),}}\;{\rm{3 - (iv),}}\;{\rm{4 - (ii)}}\)
4 \({\rm{1 - (iii),}}\;{\rm{2 - (iv),}}\;{\rm{3 - (i),}}\;{\rm{4 - (ii)}}\)
NEET - 2019
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342964 In lac-operon concept of gene expression, allolactose acts as:

1 Repressor
2 Inducer
3 Co-repressor
4 Co-enzyme
KCET - 2017
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342965 In the lac operon, the structural genes are switched off when

1 Repressor binds to operator
2 Repressor binds to promotor
3 Repressor binds to regular
4 Repressor binds ro inducer
For More Updates join with Us
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342962 In eukaryotes, the regulation could be exerted at
I. Transcriptional level
II. Processing level
III. Transport of mRNA (from nucleus to cytoplasm).
IV. Translational level
Which is the correct

1 I and II
2 I and III
3 II and IV
4 I,II,III, IV
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342963 Match the following genes of the Lac operon with their respective products :
1. i gene    (i) \(\beta\)-galactosidase
2. z gene  (ii) Permease
3. a gene  (iii) Repressor
y gene  (iv) Transacetylase
Select the correct option.

1 \({\rm{1 - (i),}}\;{\rm{2 - (iii),}}\;{\rm{3 - (ii),}}\;{\rm{4 - (iv)}}\)
2 \({\rm{1 - (iii),}}\;{\rm{2 - (i),}}\;{\rm{3 - (ii),}}\;{\rm{4 - (iv)}}\)
3 \({\rm{1 - (i),}}\;{\rm{2 - (iii),}}\;{\rm{3 - (iv),}}\;{\rm{4 - (ii)}}\)
4 \({\rm{1 - (iii),}}\;{\rm{2 - (iv),}}\;{\rm{3 - (i),}}\;{\rm{4 - (ii)}}\)
NEET - 2019
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342964 In lac-operon concept of gene expression, allolactose acts as:

1 Repressor
2 Inducer
3 Co-repressor
4 Co-enzyme
KCET - 2017
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342965 In the lac operon, the structural genes are switched off when

1 Repressor binds to operator
2 Repressor binds to promotor
3 Repressor binds to regular
4 Repressor binds ro inducer
NEET DIGITAL LIBRARY
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342962 In eukaryotes, the regulation could be exerted at
I. Transcriptional level
II. Processing level
III. Transport of mRNA (from nucleus to cytoplasm).
IV. Translational level
Which is the correct

1 I and II
2 I and III
3 II and IV
4 I,II,III, IV
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342963 Match the following genes of the Lac operon with their respective products :
1. i gene    (i) \(\beta\)-galactosidase
2. z gene  (ii) Permease
3. a gene  (iii) Repressor
y gene  (iv) Transacetylase
Select the correct option.

1 \({\rm{1 - (i),}}\;{\rm{2 - (iii),}}\;{\rm{3 - (ii),}}\;{\rm{4 - (iv)}}\)
2 \({\rm{1 - (iii),}}\;{\rm{2 - (i),}}\;{\rm{3 - (ii),}}\;{\rm{4 - (iv)}}\)
3 \({\rm{1 - (i),}}\;{\rm{2 - (iii),}}\;{\rm{3 - (iv),}}\;{\rm{4 - (ii)}}\)
4 \({\rm{1 - (iii),}}\;{\rm{2 - (iv),}}\;{\rm{3 - (i),}}\;{\rm{4 - (ii)}}\)
NEET - 2019
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342964 In lac-operon concept of gene expression, allolactose acts as:

1 Repressor
2 Inducer
3 Co-repressor
4 Co-enzyme
KCET - 2017
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342965 In the lac operon, the structural genes are switched off when

1 Repressor binds to operator
2 Repressor binds to promotor
3 Repressor binds to regular
4 Repressor binds ro inducer
Join With Us for More Updates
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342962 In eukaryotes, the regulation could be exerted at
I. Transcriptional level
II. Processing level
III. Transport of mRNA (from nucleus to cytoplasm).
IV. Translational level
Which is the correct

1 I and II
2 I and III
3 II and IV
4 I,II,III, IV
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342963 Match the following genes of the Lac operon with their respective products :
1. i gene    (i) \(\beta\)-galactosidase
2. z gene  (ii) Permease
3. a gene  (iii) Repressor
y gene  (iv) Transacetylase
Select the correct option.

1 \({\rm{1 - (i),}}\;{\rm{2 - (iii),}}\;{\rm{3 - (ii),}}\;{\rm{4 - (iv)}}\)
2 \({\rm{1 - (iii),}}\;{\rm{2 - (i),}}\;{\rm{3 - (ii),}}\;{\rm{4 - (iv)}}\)
3 \({\rm{1 - (i),}}\;{\rm{2 - (iii),}}\;{\rm{3 - (iv),}}\;{\rm{4 - (ii)}}\)
4 \({\rm{1 - (iii),}}\;{\rm{2 - (iv),}}\;{\rm{3 - (i),}}\;{\rm{4 - (ii)}}\)
NEET - 2019
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342964 In lac-operon concept of gene expression, allolactose acts as:

1 Repressor
2 Inducer
3 Co-repressor
4 Co-enzyme
KCET - 2017
BIOXII06: MOLECULAR BASIS OF INHERITANCE

342965 In the lac operon, the structural genes are switched off when

1 Repressor binds to operator
2 Repressor binds to promotor
3 Repressor binds to regular
4 Repressor binds ro inducer
For More Updates join with Us