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Q. No.In the 5' end of a DNA molecule
1. The fifth carbon of pyrimidine base is free
2. The fifth carbon of purine base is free
3. The fifth carbon of pentose sugar is free
4. Both (1) & (3)
Subtopic: The DNA |
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Subtopic: The DNA |
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During DNA replication which of the following does not act as substrates?
1. dATP
2. dCTP
3. dUTP
4. dGTP
1. dATP
2. dCTP
3. dUTP
4. dGTP
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Out of the two strands of DNA one is carrying genetic information for transcription and it is called
1. Coding strand
2. Non template strand
3. Sense strand
4. Template strand
1. Coding strand
2. Non template strand
3. Sense strand
4. Template strand
Subtopic: Transcription |
77%
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Find out the incorrect match.
| 1. | UUU | - | Phenylalanine |
| 2. | UAG | - | Sense condon |
| 3. | GUG | - | Valine |
| 4. | UGG | - | Tryptophan |
Subtopic: Genetic Code |
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In bacteria, catalytic RNA is found in
1. 60 S subunit of ribosome
2. 50 S subunit of ribosome
3. 30 S subunit of ribosome
4. 40 S subunit of ribosome
1. 60 S subunit of ribosome
2. 50 S subunit of ribosome
3. 30 S subunit of ribosome
4. 40 S subunit of ribosome
Subtopic: Transcription |
66%
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Read the given statements
Statement-A : If the total amount of adenine in eukaryotic ds DNA is 30% then total pyrimidine content is 50%.
Statement-B : Nitrogenous bases do not form part of backbone in DNA.
Select the correct option.
1. Statement A is incorrect
2. Statement B is incorrect
3. Both statement A & B are incorrect
4. Both statement A & B are correct
Statement-A : If the total amount of adenine in eukaryotic ds DNA is 30% then total pyrimidine content is 50%.
Statement-B : Nitrogenous bases do not form part of backbone in DNA.
Select the correct option.
1. Statement A is incorrect
2. Statement B is incorrect
3. Both statement A & B are incorrect
4. Both statement A & B are correct
Subtopic: DNA Double Helix |
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In eukaryotes, RNA polymerase III catalyses the synthesis of
1. 5 S rRNA, tRNA & SnRNA
2. mRNA, HnRNA & SnRNA
3. 28 S rRNA, 18 S rRNA & 5 S rRNA
4. All types of rRNA & tRNA
1. 5 S rRNA, tRNA & SnRNA
2. mRNA, HnRNA & SnRNA
3. 28 S rRNA, 18 S rRNA & 5 S rRNA
4. All types of rRNA & tRNA
Subtopic: Transcription |
80%
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Mark the incorrect option w,r,t, lac operon
1. Is under positive as well as negative control
2. Controls catabolic pathway
3. Shows feed back repression
4. Discovered by Jacob and Monod
1. Is under positive as well as negative control
2. Controls catabolic pathway
3. Shows feed back repression
4. Discovered by Jacob and Monod
Subtopic: Gene Regulation: Lac Operon |
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How many locations have been identified in human genome where single base differences occur?
1. 1.4 million
2. 14 million
3. 1.4 billion
4. 14 billion
1. 1.4 million
2. 14 million
3. 1.4 billion
4. 14 billion
Subtopic: Human Genome Project |
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