Which one is the characteristic of an organism?

1. number of nucleotides

2. sequence of nucleotides

3. dimension of nucleotides

4. all of the above

Subtopic:  The DNA |
From NCERT
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Which organism has more base pairs ?

1. E.coli

2. Bacteriophage

3. human

4. Yeast

Subtopic:  The DNA |
 86%
From NCERT
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How many types of nitrogenous bases are present in nucleic acid

1. 4

2. 3

3. 5

4. 6

Subtopic:  The DNA |
 65%
From NCERT
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Distance between two consecutive nucleotide pairs of DNA is

1. 0.34nm

2. 34angstrom

3. 3.4 micrometre

4. 34nm

Subtopic:  DNA Double Helix |
 89%
From NCERT
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Cytidine is a

1. nucleoside

2. nitrogen base

3. nucleotide

4. nucleic acid

Subtopic:  The DNA |
 77%
From NCERT
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Gene expression results in

1. DNA replication

2. Polypeptide formation

3. m-RNA formation

4. Protein duplication

Subtopic:  Translation |
 62%
From NCERT
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Regulation of gene expression in eukaryotes cannot take place at

1. primary transcript level

2. splicing level

3. transport of m-RNA from nucleus to cytoplasm

4. replication level

Subtopic:  Gene Regulation in Eukaryotes |
 65%
From NCERT
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In E.coli the conversion off lactose in galactose and glucose takes place by

1. Beta-galactokinase

2. Beta-guluctosidase

3. Beta-galactosidase

4. Beta-lactosidase

Subtopic:  Gene Regulation: Lac Operon |
 94%
From NCERT
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The conditions which regulate the expression of genes are

1. Environmental

2. Physiological

3. Metabolic

4. All of the above

Subtopic:  Gene Regulation: Introduction |
 94%
From NCERT
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The development and differentiation of embryo into adult organisms are result of

1. chemical regulation of expression of several sets of genes

2. Electrical and Chemical regulation of expression of several sets of genes

3. coordinated regulation of expression of several sets of genes

4. All of above

Subtopic:  Gene Regulation in Eukaryotes |
 51%
From NCERT
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