Q. No.Subtopic: Translation |
77%
Level 2: 60%+
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Subtopic: Translation |
64%
Level 2: 60%+
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Consider the given two statements:
| Assertion (A): | The order and sequence of amino acids in a polypeptide are defined by the sequence of bases in the mRNA. |
| Reason (R): | The mRNA is formed in a template independent manner in eukaryotes. |
| 1. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 2. | (A) is True but (R) is False. |
| 3. | (A) is False but (R) is True. |
| 4. | Both (A) and (R) are True and (R) correctly explains (A). |
Subtopic: Translation |
65%
Level 2: 60%+
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Consider the given two statements:
| Assertion (A): | In the first phase of translation itself, amino acids are activated in the presence of ATP. |
| Reason (R): | If two such charged tRNAs are brought close enough, the formation of peptide bond between them would be favoured energetically. |
| 1. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 2. | (A) is False but (R) is True. |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are True and (R) correctly explains (A) |
Subtopic: Translation |
Level 3: 35%-60%
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How many of the given statements regarding ribosomes are correct?
1. 1
2. 2
3. 3
4. 4
| I: | Ribosomes are the cellular factory responsible for synthesising proteins. |
| II: | The ribosome consists of structural RNAs and about 800 different proteins. |
| III: | In its inactive state, it exists as two subunits; a large subunit and a small subunit. |
| IV: | When the small subunit encounters an mRNA, the process of translation of the mRNA to protein begins. |
2. 2
3. 3
4. 4
Subtopic: Translation |
70%
Level 2: 60%+
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A translational unit is:
| 1. | found on mRNA and is flanked by a promoter and a terminator |
| 2. | found on rRNA and is flanked by a promoter and a terminator |
| 3. | found on mRNA and is flanked by a start codon and a stop codon |
| 4. | found on rRNA and is flanked by a start codon and a stop codon |
Subtopic: Translation |
52%
Level 3: 35%-60%
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Which of the following functions as an enzyme to catalyse peptide bond formation in prokaryotes?
1. 5SrRNA
2. 5.8SrRNA
3. 23SrRNA
4. 28SrRNA
1. 5SrRNA
2. 5.8SrRNA
3. 23SrRNA
4. 28SrRNA
Subtopic: Translation |
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Level 1: 80%+
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During translation, which of the following molecules acts as an adaptor?
1. mRNA
2. tRNA
3. rRNA
4. miRNA
1. mRNA
2. tRNA
3. rRNA
4. miRNA
Subtopic: Translation |
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Level 1: 80%+
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Which of the following describes the steps of translation correctly?
| 1. | mRNA binds to tRNA, which brings amino acids to the ribosome. |
| 2. | tRNA binds to mRNA in ribosomes, and amino acids are linked together to form proteins. |
| 3. | rRNA catalyzes peptide bond formation between amino acids. |
| 4. | mRNA is synthesized from a DNA template, which then undergoes translation to form a protein. |
Subtopic: Translation |
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Level 3: 35%-60%
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Which of the following statements about bacterial translation is correct?
| 1. | The ribosome binds to the 5' cap structure of the mRNA to initiate translation. |
| 2. | In bacteria, translation begins with the amino acid methionine, always encoded by the start codon AUG. |
| 3. | Bacterial mRNAs have poly-A tails that signal the end of translation. |
| 4. | Eukaryotic and bacterial ribosomes are identical and function in the same manner. |
Subtopic: Translation |
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Level 1: 80%+
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