Transformation

Q. When different DNA forms or molecules or fragmented DNA are run on agarose gel then: (1)Circular DNA form moves slower than Linear DNA form of same size. (2)Super coiled DNA moves faster than circular DNA form of same size. (3)Linear and circular DNA forms of same size move together. (4)DNA fragments irrespective of their form always move towards cathode.

Q. explain in details about construction of 1st recombinant dna by herbert boyer and cohe

Q. Polyethylene glycol method is used for:

1. Gene transfer without a vector
2. Energy production from sewage
3. Biodiesel production
4. Seedless fruit production

Q. Biolistic (gene gun) is suitable for

1. Disarming pathogen vectors
2. Transformation of plant cell
3. Constructing recombinant DNA by joining with vectors
4. DNA fingerprinting

Q. How is cell cycle genetically controlled? ?

Q. The plasma membrane is ______________ in nature.

1. impermeable
2. selectively permeable
3. rigid
4. freely permeable