The two polypeptide chains of insulin protein are linked together by:

1. disulfide bonds 2. hydrogen bonds
3. covalent bonds 4. ionic bonds

Subtopic:  Gene Therapy | Vaccines |
 94%
Level 1: 80%+
Hints

The viruses generally used for gene therapy are:

1. ds DNA virus 2. ss DNA virus
3. Reovirus 4. Reterovirus
Subtopic:  Gene Therapy |
 83%
Level 1: 80%+
Hints

Bacillus thuringiensis (Bt) strains have been used to design novel:
1. Biofertilizers
2. Biometallurgic techniques
3. Biomineralization processes
4. Bioinsecticidal plants
Subtopic:  Bt Crops |
 89%
Level 1: 80%+
Hints

advertisementadvertisement

C-peptide of human insulin is:
1. A part of mature insulin molecule
2. Responsible for formation of disulphide bridges
3. Removed during maturation of pro-insulin to insulin
4. Responsible for its biological activity

Subtopic:  Med Applications & Humulin |
 94%
Level 1: 80%+
Hints

A probe which is a molecule used to locate homologous sequences in a mixture of DNA or RNA molecules could be:

1. A ssRNA 2. A ssDNA
3. Either RNA or DNA 4. Can be ssDNA but not ssRNA
Subtopic:  Gene Therapy |
 72%
Level 2: 60%+
Hints

A protoxin is:

1. A primitive toxin 2. A denatured toxin
3. Toxin produced by protozoa 4. Inactive toxin
Subtopic:  Bt Crops |
 90%
Level 1: 80%+
Hints

advertisementadvertisement

The trigger for activation of toxin of Bacillus thuringiensis is:

1. Acidic pH of stomach
2. High temperature
3. Alkaline pH of gut
4. Mechanical action in the insect gut

Subtopic:  Bt Crops |
 95%
Level 1: 80%+
Hints

Silencing of a gene could be achieved through the use of:

1. RNAi only 2. antisense RNA only
3. both RNAi and antisense RNA 4. none of the above
Subtopic:  Interference RNA Tech |
 80%
Level 1: 80%+
Hints

RNAi, as a mechanism of cellular defense, takes place in:

1. All bacteria 2. All unicellular organisms
3. All plants only 4. All eukaryotic organisms
Subtopic:  Interference RNA Tech |
 84%
Level 1: 80%+
Hints

advertisementadvertisement

The first clinical gene therapy trial was given in 1990 to a 4 year girl with:

1. Alpha – 1 antitrypsin deficiency
2. Cystic fibrosis
3. Adenosine deaminase deficiency
4. Chronic myeloid leukemia

Subtopic:  Gene Therapy |
 96%
Level 1: 80%+
Hints