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Q. No.If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered?
1. 11
2. 33
3. 333
4. 1
Subtopic: Genetic Code |
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AGGTATCGCAT is a sequence from the coding strand of a gene. What will be the corresponding sequence of the transcribed mRNA?
| 1. | AGGUAUCGCAU | 2. | UGGTUTCGCAT |
| 3. | ACCUAUGCGAU | 4. | UCCAUAGCGUA |
Subtopic: Transcription |
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All of the following are part of an operon except:
1. an operator
2. structural genes
3. an enhancer
4. a promoter
2. structural genes
3. an enhancer
4. a promoter
Subtopic: Gene Regulation: Lac Operon |
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During DNA replication, Okazaki fragments are used to elongate:
| 1. | The lagging strand towards the replication fork. |
| 2. | The leading strand away from the replication fork. |
| 3. | The lagging strand away from the replication fork. |
| 4. | The leading strand towards the replication fork. |
Subtopic: DNA Replication |
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DNA-dependent RNA polymerase catalyses transcription on one strand of the DNA which is called the?
| 1. | template strand | 2. | coding strand |
| 3. | alpha strand | 4. | anti strand |
Subtopic: Transcription: I | Transcription |
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DNA replication in bacteria occurs:
1. Within nucleolus
2. Prior to fission
3. Just before transcription
4. During S phase
Subtopic: DNA Replication:III | DNA Replication |
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Subtopic: Transcription: IV | Transcription |
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Which of the following is required as an inducer(s) for the expression of lac operon?
1. galactose
2. lactose
3. lactose and galactose
4. glucose
2. lactose
3. lactose and galactose
4. glucose
Subtopic: Gene Regulation: Lac Operon |
85%
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Which of the following is not required for any of the techniques of DNA fingerprinting available at present?
1. Zinc finger analysis
2. Restriction enzymes
3. DNA –DNA hybridisation
4. Polymerase chain reaction
2. Restriction enzymes
3. DNA –DNA hybridisation
4. Polymerase chain reaction
Subtopic: DNA Fingerprinting |
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Subtopic: Genetic Code: I | Genetic Code |
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