- 1(current)
Q. No.| Statement I: | The codon AUG' codes for methionine and phenylalanine. |
| Statement II: | AAA' and 'AAG are both codons that code for the amino acid lysine. |
In light of the above statements, choose the correct answer from the options given below:
| 1. | Statement I is correct but Statement II is incorrect. |
| 2. | Statement I is incorrect but Statement II is correct. |
| 3. | Both Statement I and Statement II are correct. |
| 4. | Both Statement I and Statement II are incorrect. |
Subtopic: Â Genetic Code |
 59%
Level 3: 35%-60%
NEET - 2021
Hints
Identify the incorrect match:
| mRNA codon | Amino acid | |
| 1. | AUG | Methionine |
| 2. | GGG | Glycine |
| 3. | UGA | Tryptophan |
| 4. | UAG | None; it is a stop codon |
Subtopic: Â Genetic Code |
 82%
Level 1: 80%+
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Please attempt this question first.
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Assertion(A): 3 codons do not code for any amino acids.
Reason(R): They function as stop codons.
Choices for Assertions and reasons:
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): They function as stop codons.
Choices for Assertions and reasons:
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 Genetic Code |
Level 4: Below 35%
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Assertion(A): 20 amino acids have to be coded by the combination of four bases.
Reason(R): Each nucleic acid has four types of bases.
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): Each nucleic acid has four types of bases.
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 Genetic Code |
Level 3: 35%-60%
Hints
- 1(current)
Q. No.
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