Q. No.If one strand of DNA has the nitrogenous base sequence as ATCTG, what would be the complementary RNA strand sequence?
1. TTAGU
2. UAGAC
3. AACTG
4. ATCGU
| Statement I: | The process of copying genetic information from one strand of the DNA into RNA is termed as transcription |
| Statement II: | A transcription unit in DNA is defined primarily by the three regions in the DNA i.e. a promoter, the structural gene and a terminator. |
1. Statement I is true but Statement II is false
2. Statement I is false but Statement II is true
3. Both Statement I and Statement II are true
4. Both Statement I and Statement II are false
Which one of the following is wrongly matched?
| 1. | Transcription- Writing information from DNA to t-RNA |
| 2. | Translation- Using the information in m-RNA to make protein |
| 3. | Repressor protein- Binds to an operator to stop enzyme synthesis |
| 4. | Operon- Structural genes, operator, and promoter |
Which one of the following is not part of a transcription unit in DNA?
1. The inducer
2. A Terminator
3. A promoter
4. The structural gene
5'AUCGAUCGAUCGAUCGAUCGAUCGAUCG 3'?
| 1. | 3' ATCGATCGATCGATCGATCGATCGATCG 5' |
| 2. | 5' UAGCUAGCUAGCUAGCUAGCUAGCUAGC 3' |
| 3. | 3' UAGCUAGCUAGCUAGCUAGCUAGCUAGC 5' |
| 4. | 5' ATCGATCGATCGATCGATCGATCGATCG 3' |
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 |
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 |
Select the correct option:
| Direction of RNA synthesis |
Direction of reading of the template DNA strand |
|
| 1. | 5'-3' | 3' - 5' |
| 2. | 3'-5' | 5' - 3' |
| 3. | 5' - 3' | 5' - 3' |
| 4. | 3' - 5' | 3' - 5' |
| 1. | 1 | 2. | 2 |
| 3. | 3 | 4. | 4 |
Which of the following RNAs is not required for the synthesis of protein?
| 1. | rRNA | 2. | siRNA |
| 3. | mRNA | 4. | tRNA |
Which is the "Only enzyme" that has the "Capability" to catalyze Initiation, Elongation, and Termination in the process of transcription in prokaryotes?
1. DNA Ligase
2. DNase
3. DNA-dependent DNA polymerase
4. DNA-dependent RNA polymerase
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