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Q. No.In the genetic code, the codon UUC codes for:
1.
Methionine
2.
Phenylalanine
3.
Tyrosine
4.
Valine
Subtopic: Genetic Code |
76%
From NCERT
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Which enzyme polymerizes RNA with defined sequences in a template independent manner?
| 1. | Peptidyl transferase |
| 2. | RNA polymerase |
| 3. | Reverse transcriptase |
| 4. | Polynucleotide phosphorylase |
Subtopic: Genetic Code |
57%
From NCERT
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Histones are rich in amino acids:
1. Arginine and Lysine
2. Arginine and Leucine
3. Arginine and Isoleucine
4. Aspartate and Glutamate
1. Arginine and Lysine
2. Arginine and Leucine
3. Arginine and Isoleucine
4. Aspartate and Glutamate
Subtopic: DNA Packaging | Solved Problems |
96%
From NCERT
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Subtopic: Translation |
62%
From NCERT
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RNA is not the genetic material in:
| 1. | Tobacco mosaic virus | 2. | QB bacteriophage |
| 3. | HIV | 4. | Archaebacteria |
Subtopic: Search for Genetic Material |
76%
From NCERT
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A molecule that can act as a genetic material must fulfil all the following criteria except:
| 1. | It should be able to generate its replica |
| 2. | It should chemically and structurally be stable |
| 3. | It should provide scope for rapid mutations |
| 4. | It should be able to express itself in the form of “Mendelian Characters” |
Subtopic: Search for Genetic Material |
92%
From NCERT
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Insertion or deletion of how many bases will not cause a frameshift mutation?
| 1. | 1 | 2. | 2 |
| 3. | 3 | 4. | Any number |
Subtopic: Mutations and Genetic Code |
77%
From NCERT
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What defines a coding and a template strand in the transcription unit?
| 1. | Structural gene | 2. | Ori |
| 3. | Terminator | 4. | Promoter |
Subtopic: Transcription: I |
65%
From NCERT
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The DNA dependent polymerases catalyze:
| 1. | Only in 3’ – 5’ direction |
| 2. | Only in 5’ – 3’ direction |
| 3. | In both directions |
| 4. | In neither directions |
Subtopic: DNA Replication: I |
85%
From NCERT
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DNA is structurally and chemically more stable than RNA because of the following except:
| 1. | It has thymine instead of uracil |
| 2. | 2’ –OH is absent in DNA |
| 3. | It replicates itself based on complementary base pairing |
| 4. | It does not have any catalytic role |
Subtopic: DNA vs RNA as Genetic Material |
54%
From NCERT
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