If one needs to derive a cDNA of human insulin, which cells should be taken up for extraction?

(1) Any cell of the human body as the DNA is same in all cells

(2) Any nucleated cell of the human body

(3) b cells of islets of Langerhans of human pancreas

(4) WBCs

The natural genetic engineer of plants is

A distinct advantage of continuous culture over batch culture is

Plasmids are good vectors for genetic engineering because

Molecular weight of DNA in diploid human cell in Da is

3. 3.6 X 10 ¹² Da
4. 46 X 10 ¹⁰
5. 30 billion Da
6. 46 billion Da

The Ti in Ti plasmid stands for

Classical biotechnology does not include the production of

Why is a marker gene useful?

1. It shows you whether the gene being added, has been taken up or not.

2. It's a way of labelling which gene you want to modify.

3. It sticks with the striker gene.

4.  It marks the position of r-DNA

Transformation is the term used to denote

3. In a type of yeast fermentation , the entire medium with fermenting organism is removed from the bioreactor after reaching an alcohol level of 10-12%. This process is called
a. Continuous process
b. Batch process
c. Synchronous culture
d. Immobilized process