Q. No.Assertion (A): Amino acids are called \(\alpha\)-amino acids.
Reason (R): Amino acids are organic compounds containing an amino group and an acidic group as substituents on the \(\alpha\)-carbon.
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. Both (A) and (R) are false.
Reason (R): Amino acids are organic compounds containing an amino group and an acidic group as substituents on the \(\alpha\)-carbon.
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. Both (A) and (R) are false.
Subtopic: Amino Acids | Proteins | Different Amino Acids |
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Level 1: 80%+
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Examples of biomolecule types include:
| 1. | Amino acid: glycine; Sugar: glucose; Nucleotide: ATP |
| 2. | Fatty acid: palmitic acid; Protein: insulin; Polysaccharide: starch |
| 3. | Enzyme: pepsin; Hormone: thyroxine; Vitamin: ascorbic acid |
| 4. | All of the above |
Subtopic: Amino Acids | Proteins | Carbohydrates | Properties of Enzymes | Enzyme Introduction |
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Consider the given statements:
| Statement I: | Collagen is the most abundant protein in the animal world. |
| Statement II: | RuBisCO is the most abundant protein in the entire biosphere. |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is correct; Statement II is incorrect |
| 3. | Statement I is incorrect; Statement II is correct |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Proteins |
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Level 1: 80%+
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Assertion (A): A protein is a heteropolymer.
Reason (R): It is a made of different types of amino acids.
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. Both (A) and (R) are false.
Reason (R): It is a made of different types of amino acids.
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. Both (A) and (R) are false.
Subtopic: Amino Acids | Proteins |
94%
Level 1: 80%+
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In proteins, amino acids are linked by a type of
1. Acetyl bond
2. Peptide bond
3. Ester bond
4. Glycosidic bond
Subtopic: Amino Acids | Proteins |
93%
Level 1: 80%+
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Links
Match List-I with List-II
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | Collagen | I. | Enzyme |
| B. | GLUT-4 | II. | Most abundant enzyme in biosphere |
| C. | Trypsin | III. | Most abundant protein in animal world |
| D. | RuBisCO | IV. | Enables glucose transport into cells |
| 1. | A-III, B-I, C-IV, D-II | 2. | A-II, B-III, C-I, D-IV |
| 3. | A-III, B-IV, C-I, D-II | 4. | A-I, B-III, C-IV, D-II |
Subtopic: Proteins |
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Level 1: 80%+
NEET - 2024
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Which of the following statements is true about proteins?
| 1. | Proteins are homopolymers. |
| 2. | Proteins are composed of repeating units of a single type of amino acid. |
| 3. | Proteins are heteropolymers made up of 20 types of amino acids. |
| 4. | Proteins are made up of only non-essential amino acids. |
Subtopic: Proteins |
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Level 1: 80%+
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Consider the given two statements:
| Assertion (A): | The tertiary structure of a protein is necessary for its biological activity. |
| Reason (R) : | The tertiary structure is formed by the linear arrangement of amino acids without any folding. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A) |
| 3. | (A) is True but (R) is False |
| 4. | Both (A) and (R) are False |
Subtopic: Proteins |
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Level 1: 80%+
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Which enzyme holds the distinction of being the most abundant protein in the entire biosphere, playing a crucial role in carbon fixation during photosynthesis?
| 1. | Carbonic anhydrase |
| 2. | Ribulose bisphosphate carboxylase-oxygenase |
| 3. | Phosphoenolpyruvate carboxylase |
| 4. | Glyceraldehyde-3-phosphate dehydrogenase in glycolytic pathways |
Subtopic: Proteins |
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Level 1: 80%+
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The number and linear sequence of amino acids in a protein are considered as the:
1. primary structure of a protein
2. secondary structure of a protein
3. tertiary structure of a protein
4. quaternary structure of a protein
1. primary structure of a protein
2. secondary structure of a protein
3. tertiary structure of a protein
4. quaternary structure of a protein
Subtopic: Proteins |
92%
Level 1: 80%+
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