Which of the following structure of protein is absolutely necessary for the many biological activities of proteins?
1. Primary
2. Secondary
3. Tertiary
4. Quaternary
Subtopic: Â Proteins |
 83%
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Antibodies that help to fight infectious agents are
1. Polysaccharides
2. Amino acids
3. Proteins
4. Glucose
1. Polysaccharides
2. Amino acids
3. Proteins
4. Glucose
Subtopic: Â Proteins |
 87%
From NCERT
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The tertiary structure of proteins can be destroyed by
1. High energy radiations
2. High temperature
3. Drastic changes in pH
4. All of these
1. High energy radiations
2. High temperature
3. Drastic changes in pH
4. All of these
Subtopic: Â Enzymes |
 85%
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Select the false statement.
1. Artificial silk is a polysaccharide
2. Natural silk is a protein
3. collagen proteins forms intercellular ground substance
4. Plant proteins are first class proteins
1. Artificial silk is a polysaccharide
2. Natural silk is a protein
3. collagen proteins forms intercellular ground substance
4. Plant proteins are first class proteins
Subtopic: Â Proteins |
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Subtopic: Â Proteins |
 52%
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Beta Pleated structure in a protein is associated with which level of structure organisation?
1. Primary
2. Secondary
3. Tertiary
4. Quaternary
1. Primary
2. Secondary
3. Tertiary
4. Quaternary
Subtopic: Â Proteins |
 84%
From NCERT
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Unsaturated fats are made saturated by
1. Polymerisation
2. Dehydrogenation
3. Hybridisation
4. Hydrogenation
1. Polymerisation
2. Dehydrogenation
3. Hybridisation
4. Hydrogenation
Subtopic: Â Lipids |
 51%
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Arachidonic acid has
1. 20 carbons excluding carboxyl carbon
2. 20 carbons including carboxyl carbon
3. 16 carbons excluding carboxyl carbon
4. 16 carbons including carboxyl carbon
1. 20 carbons excluding carboxyl carbon
2. 20 carbons including carboxyl carbon
3. 16 carbons excluding carboxyl carbon
4. 16 carbons including carboxyl carbon
Subtopic: Â Lipids |
 86%
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Subtopic: Â Lipids |
 90%
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Basic unit of a nucleic acid is
1. pentose sugar
2. Phosphoric acid
3. Nucleotide
4. All of these
1. pentose sugar
2. Phosphoric acid
3. Nucleotide
4. All of these
Subtopic: Â Nucleic Acid |
 54%
From NCERT
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