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Q. No.Which of the following processes is related to reverse transcription?
1. DNA dependent DNA synthesis
2. RNA dependent DNA synthesis
3. DNA dependent RNA synthesis
4. RNA dependent polypeptide synthesis
Subtopic: DNA Double Helix |
79%
From NCERT
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If the sequence of bases in one of the DNA strand is A G G A G A A, then the sequence of bases in the other complementary strand of DNA would be
1. C C T T C T T
2. T C T C T C C
3. T C C T C T T
4. C C T C T C T
1. C C T T C T T
2. T C T C T C C
3. T C C T C T T
4. C C T C T C T
Subtopic: DNA Replication | Transcription |
93%
From NCERT
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Human genome project was closely associated with the rapid development of a new area in biology called _____.
1. Biotechnology
2. Bioinformatics
3. Biofortification
4. Microbiology
1. Biotechnology
2. Bioinformatics
3. Biofortification
4. Microbiology
Subtopic: Human Genome Project |
82%
From NCERT
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If the sequence of one strand of DNA is 5' A T G C A T C G 3', find the sequence of complementary strand in 5' → 3' direction
1. T A C G T A G C
2. C G A T G C A T
3. A T G C A T C G
4. A T C G T A C G
1. T A C G T A G C
2. C G A T G C A T
3. A T G C A T C G
4. A T C G T A C G
Subtopic: Transcription |
62%
From NCERT
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The synthesis of DNA is discontinuous on one strand of the replication fork because:
| 1. | DNA molecule being synthesised is very long |
| 2. | DNA-dependent DNA polymerase catalyse polymerisation only in one direction \((5' \rightarrow 3')\) |
| 3. | It is a more efficient process |
| 4. | It help to use DNA ligase |
Subtopic: The DNA | DNA Double Helix |
90%
From NCERT
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Given below is a sequence of bases in mRNA of a bacterial cell. Identify the amino acid that would be incorporated at codon position 3 and codon position 5 during the process of its translation.
3'AUCAGGUUUGUGAUGGUACGA5'
1. Phenylalanine, Methionine
2. Cysteine, Glycine
3. Alanine, Proline
4. Serine, Valine
3'AUCAGGUUUGUGAUGGUACGA5'
1. Phenylalanine, Methionine
2. Cysteine, Glycine
3. Alanine, Proline
4. Serine, Valine
Subtopic: Genetic Code |
70%
From NCERT
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Select the important goals of HGP from the given options :
(i) Store the information for data analysis.
(ii) Cloning and amplification of human DNA.
(iii) Identify all the genes present in human DNA.
(iv) Use of DNA information to trace human history.
1. (i) and (ii)
2. (ii) and (iii)
3. (i) and (iii)
4. (ii) and (iv)
(i) Store the information for data analysis.
(ii) Cloning and amplification of human DNA.
(iii) Identify all the genes present in human DNA.
(iv) Use of DNA information to trace human history.
1. (i) and (ii)
2. (ii) and (iii)
3. (i) and (iii)
4. (ii) and (iv)
Subtopic: Human Genome Project |
80%
From NCERT
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'A codon is a Triplet of bases was suggested by :
1. Marshall Nirenberg
2. Har Gobind Khorana
3. George Gamow
4. Francis Crick
1. Marshall Nirenberg
2. Har Gobind Khorana
3. George Gamow
4. Francis Crick
Subtopic: Genetic Code |
73%
From NCERT
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The correct feature of double-helical structure of DNA as given by Watson and Crick is:
1. Right-handed helix, pitch is \(3.4~ \text {nm}\)
2. Left-handed helix, pitch is \(3.8~ \text {nm}\)
3. Right-handed helix, pitch is \(3.8~ \text {nm}\)
4. Left-handed helix, pitch is \(3.4~ \text {nm}\)
1. Right-handed helix, pitch is \(3.4~ \text {nm}\)
2. Left-handed helix, pitch is \(3.8~ \text {nm}\)
3. Right-handed helix, pitch is \(3.8~ \text {nm}\)
4. Left-handed helix, pitch is \(3.4~ \text {nm}\)
Subtopic: DNA Double Helix |
91%
From NCERT
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Charging of tRNA during translation is necessary for :
1. Binding of anticodons of tRNA to the respective codons of mRNA.
2. Peptide bond formation between two amino acids.
3. Movement of ribosomes from codon to codon.
4. Binding of ribosomes to the mRNA.
1. Binding of anticodons of tRNA to the respective codons of mRNA.
2. Peptide bond formation between two amino acids.
3. Movement of ribosomes from codon to codon.
4. Binding of ribosomes to the mRNA.
Subtopic: Translation |
60%
From NCERT
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