Application Of Biotechnology

Question 1

What is golden rice

Answer 1

Vitamin A enriched rice

Question 2

The bt toxin does not till the bacteria why

Answer 2

This is because in the bacteria the bt toxin is present in it’s inactive protoxin stage as it is ingested by the insect it get converted into the active form due to the alkaline pH of the gut that solubilizes the crystals.

Question 3

Genes that control cotton bollworms and corn borers

Answer 3

CryIac and cryIIab control cotton bollworms
CryIab controls cornborers

Question 4

Method used by all eukaryotes for cellular defense

Answer 4

RNA interference

Question 5

What is RNA interference

Answer 5

The silencing of specific mRNA die to the presence of complementary dsRNA that binds to the mRNA and prevents translation.

Question 6

What are the vector used in tobacco plants

Answer 6

Agrobacterium vectors

Question 7

Difference between pro insulin and insulin

Answer 7

Insulin consist of two polypeptide chains chain a and b that is linked together with disulphide bridges
Pro insulin has an extra strech called c peptide

Question 8

American company that prepared two DNA sequence corresponding to chain a and b of insulin

Answer 8

Eli lily

Question 9

What is gene therapy

Answer 9

Collection of method to correct a gene defect. Correction of genetic defect involves insertion of a normal gene to compensate or take the function over for the nonfunctional gene