342966
Mark the incorrect option w.r.t. lac operon
1 Lactose is inducer
2 Controls anabolic pathway
3 Doesnot show feed back repression
4 Discovered by Jacob and Monod
Explanation:
It is a catabolic pathway involved in breakdown of lactose.
BIOXII06: MOLECULAR BASIS OF INHERITANCE
342967
When Escherichia coli cells are cultured in a medium where Lactose is absent, the ' \(i\) ' gene of Lac Operon continues to produce repressor mRNA, because it is
1 A non-coding gene
2 An operator gene
3 A constitutive gene
4 A structural gene
Explanation:
When Escherichia coli cells are cultured in a medium where Lactose is absent, the ' \(\mathrm{i}\) ' gene of Lac Operon continues to produce repressor mRNA, because it is a constitutive gene
KCET - 2020
BIOXII06: MOLECULAR BASIS OF INHERITANCE
342968
Control of gene expression in prokaryotes take place at the level of:
1 DNA-replication
2 Transcription
3 Translation
4 None of the above
Explanation:
Transcription is the first step of gene expression. In this process, a particular segment of DNA is copied into mRNA. Thus, it controls gene expression.
NCERT Exemplar
BIOXII06: MOLECULAR BASIS OF INHERITANCE
342969
Lac Operon is an example of
1 Inducible operon
2 Repressible operon
3 Overlapping genes
4 None of these
Explanation:
Lac operon is a negatively controlled inducible operon where the inducer molecule is allolactose. It utilizes lactose as an energy source and is activated when glucose is low and lactose is present.
342966
Mark the incorrect option w.r.t. lac operon
1 Lactose is inducer
2 Controls anabolic pathway
3 Doesnot show feed back repression
4 Discovered by Jacob and Monod
Explanation:
It is a catabolic pathway involved in breakdown of lactose.
BIOXII06: MOLECULAR BASIS OF INHERITANCE
342967
When Escherichia coli cells are cultured in a medium where Lactose is absent, the ' \(i\) ' gene of Lac Operon continues to produce repressor mRNA, because it is
1 A non-coding gene
2 An operator gene
3 A constitutive gene
4 A structural gene
Explanation:
When Escherichia coli cells are cultured in a medium where Lactose is absent, the ' \(\mathrm{i}\) ' gene of Lac Operon continues to produce repressor mRNA, because it is a constitutive gene
KCET - 2020
BIOXII06: MOLECULAR BASIS OF INHERITANCE
342968
Control of gene expression in prokaryotes take place at the level of:
1 DNA-replication
2 Transcription
3 Translation
4 None of the above
Explanation:
Transcription is the first step of gene expression. In this process, a particular segment of DNA is copied into mRNA. Thus, it controls gene expression.
NCERT Exemplar
BIOXII06: MOLECULAR BASIS OF INHERITANCE
342969
Lac Operon is an example of
1 Inducible operon
2 Repressible operon
3 Overlapping genes
4 None of these
Explanation:
Lac operon is a negatively controlled inducible operon where the inducer molecule is allolactose. It utilizes lactose as an energy source and is activated when glucose is low and lactose is present.
342966
Mark the incorrect option w.r.t. lac operon
1 Lactose is inducer
2 Controls anabolic pathway
3 Doesnot show feed back repression
4 Discovered by Jacob and Monod
Explanation:
It is a catabolic pathway involved in breakdown of lactose.
BIOXII06: MOLECULAR BASIS OF INHERITANCE
342967
When Escherichia coli cells are cultured in a medium where Lactose is absent, the ' \(i\) ' gene of Lac Operon continues to produce repressor mRNA, because it is
1 A non-coding gene
2 An operator gene
3 A constitutive gene
4 A structural gene
Explanation:
When Escherichia coli cells are cultured in a medium where Lactose is absent, the ' \(\mathrm{i}\) ' gene of Lac Operon continues to produce repressor mRNA, because it is a constitutive gene
KCET - 2020
BIOXII06: MOLECULAR BASIS OF INHERITANCE
342968
Control of gene expression in prokaryotes take place at the level of:
1 DNA-replication
2 Transcription
3 Translation
4 None of the above
Explanation:
Transcription is the first step of gene expression. In this process, a particular segment of DNA is copied into mRNA. Thus, it controls gene expression.
NCERT Exemplar
BIOXII06: MOLECULAR BASIS OF INHERITANCE
342969
Lac Operon is an example of
1 Inducible operon
2 Repressible operon
3 Overlapping genes
4 None of these
Explanation:
Lac operon is a negatively controlled inducible operon where the inducer molecule is allolactose. It utilizes lactose as an energy source and is activated when glucose is low and lactose is present.
NEET Test Series from KOTA - 10 Papers In MS WORD
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BIOXII06: MOLECULAR BASIS OF INHERITANCE
342966
Mark the incorrect option w.r.t. lac operon
1 Lactose is inducer
2 Controls anabolic pathway
3 Doesnot show feed back repression
4 Discovered by Jacob and Monod
Explanation:
It is a catabolic pathway involved in breakdown of lactose.
BIOXII06: MOLECULAR BASIS OF INHERITANCE
342967
When Escherichia coli cells are cultured in a medium where Lactose is absent, the ' \(i\) ' gene of Lac Operon continues to produce repressor mRNA, because it is
1 A non-coding gene
2 An operator gene
3 A constitutive gene
4 A structural gene
Explanation:
When Escherichia coli cells are cultured in a medium where Lactose is absent, the ' \(\mathrm{i}\) ' gene of Lac Operon continues to produce repressor mRNA, because it is a constitutive gene
KCET - 2020
BIOXII06: MOLECULAR BASIS OF INHERITANCE
342968
Control of gene expression in prokaryotes take place at the level of:
1 DNA-replication
2 Transcription
3 Translation
4 None of the above
Explanation:
Transcription is the first step of gene expression. In this process, a particular segment of DNA is copied into mRNA. Thus, it controls gene expression.
NCERT Exemplar
BIOXII06: MOLECULAR BASIS OF INHERITANCE
342969
Lac Operon is an example of
1 Inducible operon
2 Repressible operon
3 Overlapping genes
4 None of these
Explanation:
Lac operon is a negatively controlled inducible operon where the inducer molecule is allolactose. It utilizes lactose as an energy source and is activated when glucose is low and lactose is present.
