Which one of the following is a wrong statement regarding mutations?

1.	Cancer cells commonly show chromosomal aberrations
2.	UV and Gamma rays are mutagens
3.	Change in a single base pair of DNA does not cause mutation
4.	Deletion and insertion of base pairs cause frame-shift mutations

In eukaryotic cell transcription, RNA splicing and RNA capping take place inside the:

1. Nucleus

2. Dictyosomes

3. ER

4. Ribosomes

The lac Operon consists of:

The 3'-5' phosphodiester linkages inside a polynucleotide chain serve to join:

In the history of biology, the human genome project led to the development of:
1. Biosystematics
2. Biotechnology
3. Biomonitoring
4. Bioinformatics

The unequivocal proof of DNA as the genetic material came from the studies on:

What is it that forms the basis of DNA Fingerprinting?

E. coli cells with a mutated z gene of the lac operon cannot grow in a medium containing only lactose as the source of energy because-

Production of a human protein in bacteria by genetic engineering is possible because:

Which of the following exercises control over transcription:
1.  Operator
2.  Regulator
3.  Promoter
4.  Recon