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Q. No.The nitrogenous bases of the two strands of DNA are joined by
1. Phosphodiester bond
2. Hydrogen bond
3. Glycosidic bond
4. Peptide bond
Subtopic: Nucleic Acid |
61%
From NCERT
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The double helix model of DNA was proposed by
1. Berzelius
2. Watson and Crick
3. Griffith
4. Robert Brown
1. Berzelius
2. Watson and Crick
3. Griffith
4. Robert Brown
Subtopic: The DNA |
95%
From NCERT
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In glycine, the R group is replaced by
1. A methyl group
2. Hydroxy methyl
3. A carboxylic group
4. A hydrogen atom
1. A methyl group
2. Hydroxy methyl
3. A carboxylic group
4. A hydrogen atom
Subtopic: Amino Acids |
76%
From NCERT
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Zwitterions are ionized species of
1. Acidic amino acids
2. Basic amino acids
3. Neutral amino acids
4. All of these
1. Acidic amino acids
2. Basic amino acids
3. Neutral amino acids
4. All of these
Subtopic: Amino Acids |
84%
From NCERT
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Non-essential amino acids
1. Must be obtained from food
2. Are synthesized in our body
3. Are not needed in our diet
4. Both (2) & (3)
1. Must be obtained from food
2. Are synthesized in our body
3. Are not needed in our diet
4. Both (2) & (3)
Subtopic: Amino Acids |
86%
From NCERT
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Subtopic: METABOLIC BASIS FOR LIVING (OLD NCERT) |
66%
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Proteins which catalyse biochemical reactions in the living world are known as
1. Enzymes
2. Hormones
3. Antibodies
4. Receptor
1. Enzymes
2. Hormones
3. Antibodies
4. Receptor
Subtopic: Enzymes |
91%
From NCERT
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Ribozymes are ________ that behave like enzymes
1. Proteins
2. Ribouncleic acids
3. Oligosaccharide
4. Simple lipids
1. Proteins
2. Ribouncleic acids
3. Oligosaccharide
4. Simple lipids
Subtopic: Enzymes |
84%
From NCERT
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Subtopic: Proteins |
92%
From NCERT
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