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Q. No.Which of the following is the simplest amino acid?
1. Tyrosine
2. Asparagine
3. Glycine
4. Alanine
Subtopic: Â Different Amino Acids |
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Match each item in Column-I with one in Column-II and select the correct match from the codes given:
Codes:
| Column-I | Column-II | ||
| A. | Lysine | P. | Simplest alpha amino acid |
| B. | Serine | Q. | Aromatic amino acid |
| C. | Glycine | R. | Basic amino acid |
| D. | Tryptophan | S. | R functional group is hydroxymethyl |
| A | B | C | D | |
| 1. | R | S | P | Q |
| 2. | R | S | Q | P |
| 3. | S | R | P | Q |
| 4. | S | R | Q | P |
Subtopic: Â Different Amino Acids |
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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: Â Amino Acids |Â Proteins |Â Different Amino Acids |
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Subtopic: Â Different Amino Acids |
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Level 1: 80%+
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Amino acids differ from each other mainly at R group. If R group of proteinaceous amino acid is hydroxy methyl, the amino acid would be
1. Glycine
2. Alanine
3. Serine
4. Tyrosine
Subtopic: Â Different Amino Acids |
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Identify the statement which is incorrect:
1. Sulphur is an integral part of cysteine.
2. Glycine is an example of lipids.
3. Lecithin contains a phosphorus atom in its structure.
4. Tyrosine possesses an aromatic ring in its structure.
Subtopic: Â Amino Acids |Â Different Amino Acids |
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Level 1: 80%+
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Match the structures given in column I, with their names in column II and select the correct option:
1. a(iii), b(iv), c(i), d(ii)
2. a(ii), b(iv), c(iii), d(i)
3. a(i), b(iv), c(ii), d(iii)
4. a(iv), b(iii), c(ii), d(i)
| Column I | Column II | ||
| a. |  |
(i) | Alanine |
| b. |  |
(ii) | Serine |
| c. |  |
(iii) | Glycine |
| d. |  |
(iv) | Glycerol |
2. a(ii), b(iv), c(iii), d(i)
3. a(i), b(iv), c(ii), d(iii)
4. a(iv), b(iii), c(ii), d(i)
Subtopic: Â Different Amino Acids |
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Assertion(A): Amino acids can be essential or non-essential.
Reason(R): Dietary proteins are the source of non-essential proteins.
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.
Reason(R): Dietary proteins are the source of non-essential proteins.
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: Â Different Amino Acids |
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Level 1: 80%+
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