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Q. No.The protein portion of an enzyme is called:
1.
Apoenzyme
2.
Prosthetic group
3.
Cofactor
4.
Coenzyme
Subtopic: Enzyme Cofactors |
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Match List-I with List-II:
Choose the option with all correct matches.
1. A-III, B-II, C-I, D-IV
2. A-II, B-III, C-I, D-IV
3. A-III, B-IV, C-II, D-I
4. A-III, B-II, C-IV, D-I
| List-I | List-II | ||
| A. | Adenosine | I. | Nitrogen base |
| B. | Adenylic acid | II. | Nucleotide |
| C. | Adenine | III. | Nucleoside |
| D. | Alanine | IV. | Amino acid |
1. A-III, B-II, C-I, D-IV
2. A-II, B-III, C-I, D-IV
3. A-III, B-IV, C-II, D-I
4. A-III, B-II, C-IV, D-I
Subtopic: Nucleic Acid | Amino Acids |
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Which one of the following enzymes contains 'Haem' as the prosthetic group?
1. Succinate dehydrogenase
2. Catalase
3. RuBisCo
4. Carbonic anhydrase
1. Succinate dehydrogenase
2. Catalase
3. RuBisCo
4. Carbonic anhydrase
Subtopic: Enzyme Cofactors |
From NCERT
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Name the class of enzyme that usually catalyze the following reaction :
\(\mathrm{S}-\mathrm{G}+\mathrm{S}^{\#} \rightarrow \mathrm{~S}+\mathrm{S}^{\#}-\mathrm{G}\)
Where, G → a group other than hydrogen
S → a substrate
\(S^\#\) → another substate
1. Transferase
2. Ligase
3. Hydrolase
4. Lyase
\(\mathrm{S}-\mathrm{G}+\mathrm{S}^{\#} \rightarrow \mathrm{~S}+\mathrm{S}^{\#}-\mathrm{G}\)
Where, G → a group other than hydrogen
S → a substrate
\(S^\#\) → another substate
1. Transferase
2. Ligase
3. Hydrolase
4. Lyase
Subtopic: Enzymes Classification |
74%
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Ligases is a class of enzymes responsible for catalysing the linking together of two compounds. Which of the following bonds is not catalysed by it?
| 1. | C-C | 2. | P-O |
| 3. | C-O | 4. | C-N |
Subtopic: Enzymes Classification |
51%
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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 |
77%
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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%
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Match List-I with List-II:
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | Primary structure of protein | I. | Human haemoglobin |
| B. | Secondary structure of protein | II. | Disulphide bonds |
| C. | Tertiary structure of protein | III. | Polypeptide chain |
| D. | Quaternary structure of protein | IV. | Alpha helix and β sheet |
| 1. | A-III,B-IV,C-II,D-I | 2. | A-III,B-II,C-I,D-IV |
| 3. | A-I,B-III,C-II,D-IV | 4. | A-IV,B-III,C-II,D-I |
Subtopic: Structural Organisation of Proteins |
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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%
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Subtopic: Element Analysis | Introduction |
77%
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