Any mistakes during DNA replication by the enzyme would result into:

1. Cancer 2. Apoptosis
3. Cell fragmentation 4. Mutation

Subtopic:  DNA Replication |
 91%
From NCERT
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Transcription and translation can be coupled in:

1. Bacteria 2. Yeast
3. Plants 4. Animals

Subtopic:  Transcription |
 94%
From NCERT
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Watson and Crick based their model of DNA on X-ray diffraction data produced by:
1. Hershey and Chase
2. Marie Curie and Pierre Curie
3. Franklin and Wilkins
4. Meselson and Stahl
Subtopic:  DNA Double Helix |
 88%
From NCERT
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Which of the following codons has a dual role in the genetic code?

1. AUG 2. GUG
3. CUG 4. UUG
Subtopic:  Genetic Code: I | Genetic Code: II |
 95%
From NCERT
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DNA-dependent RNA polymerase catalyzes polymerization in:

1. Only in 3’ – 5’ direction
2. Only in 5’ – 3’ direction
3. In both directions
4. In neither directions
Subtopic:  Transcription |
 85%
From NCERT
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Which of the following helps in the termination of transcription?

1. Sigma factor 2. Translocase
3. Ubiquitin 4. Rho factor

Subtopic:  Transcription |
 94%
From NCERT
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Which of the following is true for both transcription and DNA replication?

1. The principle of complementarity governs the processes
2. Only if the two strands act as a template
3. Only a segment of both strands is involved
4. Adenine base pairs with thymine

Subtopic:  DNA Replication | Transcription |
 80%
From NCERT
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The structure of the ribosome is made of:

1. rRNA and Proteins
2. rRNA and Polysaccharides
3. mRNA, rRNA and tRNA
4. RNA, DNA and Proteins

Subtopic:  Translation |
 81%
From NCERT
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Who proposed a semi-conservative mode of replication for DNA?

1. Watson and Crick 2. Meselson and Stahl
3. Hershey and Chase 4. Beadle and Tatum

Subtopic:  DNA vs RNA as Genetic Material |
 63%
From NCERT
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Which of the following acts as the substrate and provides energy for DNA replication?

1. Dideoxyribonucleoside triphospahtes
2. Ribonucleoside triphosphates
3. Deoxyribonucleoside triphospahtes
4. Deoxyribonucleotide triphosphates

Subtopic:  DNA Replication: I |
 64%
From NCERT
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