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Q. No.Which of the following bond is formed as a result of reaction of carboxyl group of one amino acid with amino group of other amino acids with elimination of water?
1. Phosphodiester Bond
2. Hydrogen Bond
3. Glycosidic Bond
4. Peptide Bond
1. Phosphodiester Bond
2. Hydrogen Bond
3. Glycosidic Bond
4. Peptide Bond
Subtopic: Zwitter ion & Peptide Bond |
72%
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NEET - 2022
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In a reaction catalyzed by an enzyme, which of the following statements is correct ?
| 1. | Enzymes decrease the activation energy for formation of transition state. |
| 2. | Enzymes make transition form substrate to product more difficult. |
| 3. | Enzymes increase the activation energy for formation of transition state. |
| 4. | Enzyme-substrate complex formed during a reaction lasts for a very long time. |
Subtopic: Enzyme Catalysis |
85%
From NCERT
NEET - 2022
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In the following questions a statement of assertion (A) is followed by a statement of reason (R).
A: Lipids are essentially ester of fatty acids and glycerol.
R: Lipids are always either in the form of monoglycerides, diglycerides, and triglycerides.
A: Lipids are essentially ester of fatty acids and glycerol.
R: Lipids are always either in the form of monoglycerides, diglycerides, and triglycerides.
| 1. | If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1) |
| 2. | If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2) |
| 3. | If Assertion is true statement but Reason is false, then mark (3) |
| 4. | If both Assertion and Reason are false statements, then mark (4) |
Subtopic: Lipids |
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Subtopic: Amino Acids |
89%
From NCERT
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Subtopic: Amino Acids |
84%
From NCERT
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All the following are examples of basic amino acids except:
| 1. | Lysine | 2. | Histidine |
| 3. | Arginine | 4. | Valine |
Subtopic: Amino Acids |
74%
From NCERT
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Identify the lipid shown in the given figure:
| 1. Glycerol 2. Fatty acid 3. Sphingosine 4. Cerebroside |
 |
Subtopic: Lipids |
91%
From NCERT
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Consider the given two statements:
| I: | Palmitic acid has 16 carbons including the carboxyl carbon. |
| II: | Arachidonic acid has 20 carbons including the carboxyl carbon. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Lipids |
90%
From NCERT
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Consider the given two statements:
| I: | Gingelly oil remains as oil in winters. |
| II: | The fatty acid components of the oil are all saturated. |
| 1. | Both I and II are correct and II correctly explains I |
| 2. | Both I and II are correct but II does not correctly explain I |
| 3. | I is correct but II is incorrect |
| 4. | I is incorrect but II is correct |
Subtopic: Lipids |
63%
From NCERT
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Which of the following given molecules will be a structural component of the cell membrane in an animal cell?
| I: |  |
| II: |  |
| III: |  |
| IV: |  |
| 1. | Only I and II | 2. | Only I and III |
| 3. | Only III and IV | 4. | I, II, III and IV |
Subtopic: Lipids |
69%
From NCERT
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