- 1(current)
Q. No.What level of protein organization structure explains the 3-D shape of an enzyme?
| 1. | primary structure |
| 2. | tertiary structure |
| 3. | secondary structure |
| 4. | quaternary structure |
Subtopic: Enzymes |
81%
Level 1: 80%+
Hints
Match List I and List II:
Choose the correct answer form the options given below:
1. A-III, B-II, C-I,D-IV
2. A-II, B-IV, C-I,D-III
3. A-IV, B-I, C-III, D-II
4. A-IV, B-II, C-III, D-I
| List I | List II | ||
| 1. | Lipase | I. | Peptide bond |
| 2. | Nuclease | II. | Ester bond |
| 3. | Protease | III. | Glycosidic bond |
| 4. | Amylase | IV. | Phosphodiester bond |
Choose the correct answer form the options given below:
1. A-III, B-II, C-I,D-IV
2. A-II, B-IV, C-I,D-III
3. A-IV, B-I, C-III, D-II
4. A-IV, B-II, C-III, D-I
Subtopic: Enzymes |
71%
Level 2: 60%+
NEET - 2024
Hints
Which of the following statements is not correct ?
| 1. | Carbonic anhydrase enzyme accelerate the rate of reaction times |
| 2. | Functional aspect of enzymes is related to the tertiary structure of proteins |
| 3. | Enzymes are composed of only one amino acid molecule |
| 4. | Low temperature not cause the denaturtion but inactivate the enzyme |
Subtopic: Enzymes |
77%
Level 2: 60%+
Hints
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 |
75%
Level 2: 60%+
NEET - 2024
Hints
NAD and NADP are consider as
| 1. | Apoenzyme and cofactor respectively. |
| 2. | Coenzyme and co-factor respectively. |
| 3. | Both as co-enzyme. |
| 4. | Apoenzyme and holoenzyme respectively. |
Subtopic: Enzymes |
76%
Level 2: 60%+
Hints
How many statements are false from given information?
| (a) | Ribozymes are enzyme made up of protein. |
| (b) | In every chemical reaction transition state energy is always greater than activation energy. |
| (c) | Co-factors are always proteinous in nature |
| (d) | Enzyme inhibition can not be removed. |
| (e) | Enzyme action can be stopped at low temp. |
| (f) | Km value (Michaelis constant) is the specific concentration of substrate molecule. |
1. 2
2. 3
3. 4
4. 5
Subtopic: Enzymes | Factors Affecting Enzyme Catalysis Reaction |
51%
Level 3: 35%-60%
Hints
Mark the Incorrect statement
| 1. | Co-enzymes are also organic compounds but their association with apoenzyme is only transient |
| 2. | Vmax (maximum velocity) represent that there are no substrate molecules to bind with free enzyme molecule |
| 3. | Living state is non-equilibrium steady state to be able to perform work |
| 4. | Enzymes eventually bring down the energy barrier making the transition of substrate to product more easy |
Subtopic: Enzymes | Properties of Enzymes |
70%
Level 2: 60%+
Hints
Match List-I with List-II:
Choose the correct answer from the options given below :
| List-I | List-II | ||
| A. | Ribozyme | I. | Glucose transport |
| B. | Lecithin | II. | Non-proteinaceous enzyme |
| C. | Glut-4 | III. | Lipid |
| D. | Vitamins | IV. | Coenzyme |
| 1. | A-IV, B-III, C-I, D-II | 2. | A-IV, B-III, C-II, D-I |
| 3. | A-II, B-I, C-III, D-IV | 4. | A-II, B-III, C-I, D-IV |
Subtopic: Proteins | Lipids | Enzymes | Enzyme Cofactors |
74%
Level 2: 60%+
NEET - 2024
Hints
- 1(current)
Q. No.
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