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Q. No.Subtopic: Element Analysis | Introduction |
78%
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NEET - 2024
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Enzymes that catalyse the removal of groups from substrates by mechanisms other than hydrolysis leaving double bonds, are known as:
1. Transferases
2. Oxidoreductases
3. Dehydrogenases
4. Lyases
1. Transferases
2. Oxidoreductases
3. Dehydrogenases
4. Lyases
Subtopic: Enzymes Classification |
72%
From NCERT
NEET - 2024
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Which of the following graphs depicts the effect of substrate concentration on velocity of enzyme catalysed reaction?
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Factors Affecting Enzyme Catalysis Reaction |
84%
From NCERT
NEET - 2024
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Which of the following are not fatty acids?
Choose the correct answer from the options given below:
| A. | Glutamic acid | B. | Arachidonic acid |
| C. | Palmitic acid | D. | Lecithin |
| E. | Aspartic acid | ||
| 1. | C, D and E only | 2. | A and B only |
| 3. | A, D and E only | 4. | B and C only |
Subtopic: Element Analysis |
78%
From NCERT
NEET - 2024
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Glycogen is
1. produced by actin
2. depleted within 1 second of strenuous activity
3. a form of long-term energy storage
4. synthesized when cross bridges form
5. depleted before creatine phosphate reserves are used
1. produced by actin
2. depleted within 1 second of strenuous activity
3. a form of long-term energy storage
4. synthesized when cross bridges form
5. depleted before creatine phosphate reserves are used
Subtopic: Carbohydrates |
92%
From NCERT
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Which of the following is not a complex polysaccharide?
| 1. | Inulin | 2. | Chitin |
| 3. | Glucosamine | 4. | N-acetyl galactosamine |
Subtopic: Carbohydrates: Cellulose, Chitin, Inulin & Agar |
59%
From NCERT
NEET - 2024
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The following can be found as a zwitter ion:
| 1. | Fatty acid | 2. | Monosaccharide |
| 3. | Amino acid | 4. | Nucleic acid |
Subtopic: Element Analysis | Amino Acids |
89%
From NCERT
NEET - 2024
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Which of the following statement is incorrect about enzymes?
| 1. | They are highly substrate specific |
| 2. | In thermophilic organisms, enzymes can catalyze reaction at high temperatures, i.e. 90°C |
| 3. | All enzymes are proteinaceous in nature |
| 4. | Some enzymes have metal ions |
Subtopic: Enzymes |
76%
From NCERT
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Consider the given two statements:
| Assertion (A): | Competitive enzyme inhibition can be overcome by increasing the substrate concentration. |
| Reason (R): | Competitive inhibitors bind to a different site on the enzyme, not active site. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Enzyme Inhibition |
92%
From NCERT
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Consider the given two statements:
| Assertion (A): | When enzyme catalyzed reactions are observed, the rate would be vastly higher than the same for uncatalyzed reaction |
| Reason (R): | Enzymes bring down activation energy barrier making the transition of ‘Substrate’ to ‘Product’ easier. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Enzymes |
90%
From NCERT
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