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Q. No.The double helix model of DNA was proposed by
1. Berzelius
2. Watson and Crick
3. Griffith
4. Robert Brown
Subtopic: The DNA |
95%
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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%
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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%
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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%
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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%
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Subtopic: Proteins |
92%
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Organic compounds that are tightly bound to apoenzyme are called
1. Prosthetic group
2. Apoenzyme
3. Metal ions
4. Co-enzymes
1. Prosthetic group
2. Apoenzyme
3. Metal ions
4. Co-enzymes
Subtopic: Enzyme Cofactors |
88%
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