Consider the given two statements:
Assertion: In solutions of different pH, the structure of amino acids changes.
Reason: A particular property of amino acids is the ionizable nature of –NH2 and –COOH groups.
1. Both Assertion and Reason are true and Reason correctly explains the Assertion.
2. Assertion is true but Reason is False.
3. Both Assertion and Reason are true but the Reason does not explain the Assertion.
4. Assertion is false but Reason is true
Subtopic: Amino Acids |
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The true macromolecular fraction of any living tissue or cell includes all the following except:
1. polynucleotides
2. lipids
3. polysaccharides
4. polypeptides
Subtopic: Element Analysis |
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________ is the most abundant protein in animal world and _________ is the most abundant protein in
the whole of the biosphere.
1. Collagen, RuBisCO
2. RuBisCO, Collagen
3. Keratin, Collagen
4. Haemoglobin, RuBisCO
Subtopic: Proteins |
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Prosthetic groups are distinguished from other cofactors in that they:
I: are organic compounds.
II: are tightly bound to the apoenzyme.
1. Only I is true
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Enzyme Cofactors |
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Consider the given two statements:
Assertion: Dietary proteins are the source of essential amino acids.
Reason: Amino acids are organic compounds containing an amino group and an acidic group
as substituents on the same carbon.
1. Both Assertion and Reason are true but the Reason does not explain the Assertion.
2. Assertion is true but Reason is False.
3. Both Assertion and Reason are true and Reason correctly explains the Assertion.
4. Assertion is false but Reason is true.
Subtopic: Amino Acids |
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The number of correct statements from the given statements is:
I: Almost all enzymes are proteins.
II: Some nucleic acids can behave like enzymes.
III: No enzyme in living organisms can function above 400C.
IV: Enzymes are the reason that chemicals react with each other.
V: Enzymes are not sensitive to pH in their environment.
1. 2
2. 3
3. 4
4. 5