Q. No.Consider the given two statements:
| Assertion (A): | In prokaryotic cells, transcription and translation can occur simultaneously. |
| Reason (R): | Prokaryotes have a nuclear membrane that separates the processes of transcription and translation. |
| 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: Translation | Transcription |
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The role of an adapter molecule in the translation of genetic information is performed by:
1. miRNA
2. hnRNA
3. tRNA
4. siRNA
Subtopic: Translation |
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Level 1: 80%+
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Subtopic: Translation |
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Level 1: 80%+
AIPMT - 2004
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Subtopic: Translation |
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Level 1: 80%+
AIPMT - 2000
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Subtopic: Translation |
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What is the role of the adapter molecule tRNA in translation?
| 1. | It transfers mRNA to the ribosome for protein synthesis. |
| 2. | tRNA initiates the transcription of DNA into mRNA. |
| 3. | tRNA decodes the mRNA codon sequence by matching it with its complementary anticodon and brings the corresponding amino acid. |
| 4. | tRNA synthesizes proteins by catalyzing peptide bond formation between amino acids. |
Subtopic: Translation |
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Which of the following statements is correct regarding tRNA?
| 1. | tRNA contains an anticodon loop complementary to the mRNA codon. |
| 2. | tRNA directly binds to the ribosome without interacting with mRNA. |
| 3. | tRNA is responsible for catalyzing peptide bond formation. |
| 4. | tRNA is involved only in transcription, not translation. |
Subtopic: Translation |
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The tRNA molecule:
| 1. | looks like an inverted L in its secondary structure |
| 2. | is the largest of the major cellular RNAs |
| 3. | acts as an adapter molecule |
| 4. | has catalytic functions |
Subtopic: Translation |
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In bacterial translation, which of the following is a ribozyme?
1. 5S rRNA
2. 23S rRNA
3. 28S rRNA
4. 30S rRNA
1. 5S rRNA
2. 23S rRNA
3. 28S rRNA
4. 30S rRNA
Subtopic: Translation |
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To initiate translation, the mRNA first binds to:
1. The smaller ribosomal sub-unit,
2. The larger ribosomal sub-unit
3. The whole ribosome
4. No such specificity exists.
1. The smaller ribosomal sub-unit,
2. The larger ribosomal sub-unit
3. The whole ribosome
4. No such specificity exists.
Subtopic: Translation |
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Level 1: 80%+
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