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Q. No.In the enzyme which catalyses the breakdown of:
\(\mathrm{H}_2 \mathrm{O}_2 \rightarrow \mathrm{H}_2 \mathrm{O}+\mathrm{O}_2\)
the prosthetic group is:
1.
Nicotinamide adenine dinucleotide
2.
Haem
3.
Zinc
4.
Niacin
Subtopic: Enzyme Cofactors |
73%
Level 2: 60%+
NEET - 2022
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Amongst the following, the element constituting the least percent of the weight of human body is:
1. Oxygen
2. Carbon
3. Hydrogen
4. Nitrogen
1. Oxygen
2. Carbon
3. Hydrogen
4. Nitrogen
Subtopic: Element Analysis |
Level 3: 35%-60%
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The molecule shown in the given figure is:
| 1. | Uridine | 2. | Thymidine |
| 3. | Uridylic acid | 4. | Thymidylic acid |
Subtopic: Nucleic Acid: Nucleotides |
70%
Level 2: 60%+
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When a cell is chemically analysed, one feature common to all compounds found in the acid soluble pool is:
1. They are all homopolymers.
2. They are all heteropolymers.
3. They have molecular weight between 18 and 800 daltons.
4. All of them are biomacromolecules.
1. They are all homopolymers.
2. They are all heteropolymers.
3. They have molecular weight between 18 and 800 daltons.
4. All of them are biomacromolecules.
Subtopic: Element Analysis |
80%
Level 1: 80%+
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What is the number of correct statements amongst the statements given below?
I. Valine is an acidic amino acid.
II. Gingelly oil remains as oil in winters.
III. Abrin, Morphine and Vinblastin are all primary metabolites.
IV. Insulin is a polymer of fructose.
V. In a polysaccharide chain, the right end is the reducing end.
VI. Collagen is most abundant protein in biosphere.
1. 2
2. 3
3. 4
4. 5
I. Valine is an acidic amino acid.
II. Gingelly oil remains as oil in winters.
III. Abrin, Morphine and Vinblastin are all primary metabolites.
IV. Insulin is a polymer of fructose.
V. In a polysaccharide chain, the right end is the reducing end.
VI. Collagen is most abundant protein in biosphere.
1. 2
2. 3
3. 4
4. 5
Subtopic: Amino Acids | Carbohydrates | Lipids | Lipids: Fatty Acids | Different Amino Acids | Primary & Secondary Metabolites |
53%
Level 3: 35%-60%
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The bonds formed by dehydration include:
A. Glycosidic bond
B. Peptide bond
1. Only A
2. Only B
3. Both A and B
4. Neither A nor B
A. Glycosidic bond
B. Peptide bond
1. Only A
2. Only B
3. Both A and B
4. Neither A nor B
Subtopic: Zwitter ion & Peptide Bond | Carbohydrates: Glycosidic Bond & Disaccharide |
72%
Level 2: 60%+
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Consider the two statements:
Statement I: Majority of chemical reactions in living organisms occur in isolation.
Statement II: A few chemical reactions in living organisms like peptide bond formation, are not catalyzed.
1. Statement I is correct and Statement II is also correct
2. Statement I is incorrect and Statement II is correct
3. Statement I is incorrect and Statement II is also incorrect
4. Statement I is correct and Statement II is incorrect
Statement I: Majority of chemical reactions in living organisms occur in isolation.
Statement II: A few chemical reactions in living organisms like peptide bond formation, are not catalyzed.
1. Statement I is correct and Statement II is also correct
2. Statement I is incorrect and Statement II is correct
3. Statement I is incorrect and Statement II is also incorrect
4. Statement I is correct and Statement II is incorrect
Subtopic: Introduction |
Level 3: 35%-60%
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In peroxidase and catalase, heam is:
| 1. | prosthetic group and is a part of active site |
| 2. | prosthetic group and is not a part of active site |
| 3. | is a co-enzyme |
| 4. | is a co-substrate |
Subtopic: Enzymes Classification |
72%
Level 2: 60%+
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Choose the mismatch among the following.
| 1. | GLUT-4 | – | Unable glucose transport into cells |
| 2. | Trypsin | – | Enzyme |
| 3. | Essential oil | – | Lemon grass oil |
| 4. | Drug | – | Vinblastin |
Subtopic: Primary & Secondary Metabolites |
75%
Level 2: 60%+
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Read the given statements A, B and C and select the correct option.
| (A) | All enzymes are proteinaceous in nature. |
| (B) | Some competitive inhibitors are often used in the control of bacterial pathogens. |
| (C) | Active site of an enzyme is formed by the folding of the backbone of tertiary structure of protein upon itself. |
| 1. | Statements (A) and (B) are correct |
| 2. | Statements (B) and (C) are correct |
| 3. | Statements (A) and (C) are correct |
| 4. | Statements (A), (B) and (C) are correct |
Subtopic: Proteins | Enzymes | Factors Affecting Enzyme Catalysis Reaction | Properties of Enzymes |
64%
Level 2: 60%+
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