Q. No.Commonly used vectors for human genome sequencing are:
1.
T-DNA
2.
BAC and YAC
3.
Expression Vectors
4.
T/A cloning Vectors
Which enzyme(s) will be produced in a cell in which there is a non-sense mutation in the lac Y gene?
| 1. | Lactose permease |
| 2. | Transacetylase |
| 3. | Lactose permease and transacetylase |
| 4. | β - galactosidase |
Removal of RNA polymerase III from nucleoplasm will affect the synthesis of:
1. tRNA
2. hnRNA
3. mRNA
4. rRNA
PCR and Restriction Fragment Length Polymorphism are the methods for:
1. Study of enzymes
2. Genetic transformation
3. DNA sequencing
4. Genetic fingerprinting
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
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
Removal of introns and joining of exons in a defined order during transcription is called:
1. Looping
2. Inducing
3. Slicing
4. Splicing
1. Nucleotides
2. Nucleosomes
3. Base pairs
4. Uracil
1. sn RNA
2. hn RNA
3. 23 S rRNA
4. 5 S rRNA
Select the two correct statements out of the four (a-d) given below about lac operon:
| (a) | Glucose or galactose may bind with the repressor and inactivate it. |
| (b) | In the absence of lactose, the repressor binds with the operator region. |
| (c) | The z-gene codes for permease. |
| (d) | It was explained by Francois Jacob and Jacque Monod. |
1. (b) and (c)
2. (a) and (c)
3. (b) and (d)
4. (a) and (b)
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