Polymerase Chain Reaction is not used in :
1. Confirming presence of a pathogen during early infection
2. Identifying the mutated genes in suspected cancer patients
3. Isolating the gene of interest from host DNA to be cloned by recombinant procedures
4. Detection of the presence of HIV in suspected AIDS patient
To test the safety of polio vaccine, the organisms used are transgenic :
1. Mice
2. Pigs
3. Monkey
4. Cattle
The first human hormone produced by recombinant DNA technology was :
(1) Estrogen
(2) Growth hormone
(3) Erythropoietin
(4) Insulin
Which protein has been produced generating a transgenic sheep that is used for replacement therapy for individuals at risk from emphysema?
1. Plasminogen activator (rPA)
2. α-antitrypsin (ATT)
3. Casein
4. Amyloid precursor proteins
Which kind of therapy was given in 1990 to a four-year-old girl with Adenosine Deaminase (ADA) deficiency?
(1) Gene therapy
(2) Chemotherapy
(3) Immunotherapy
(4) Radiation therapy
The two polypeptides of human insulin are linked together by
(1) phosphodiester bonds
(2) covalent bonds
(3) disulphide bridges
(4) hydrogen bonds
Which part of the tobacco plant is infected by Meloidegyne incognitia?
1. Leaf
2. Stem
3. Root
4. Flower
In Bt cotton, the Bt toxin present in plant tissue as pro-toxin is converted into active toxin due to
(1) Alkaline pH of the insect gut
(2) acidic pH of the insect gut
(3) action of gut microorganisms
(4) presence of conversion factors in insect gut
A single strand of nucleic acid tagged with a radioactive molecule is called
1. vector
2. selectable marker
3. plasmid
4. probe
The process of RNA interference has been used in the development of plants resistant to
(1) fungi
(2) viruses
(3) insects
(4) nematodes