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Q. No.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%
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The viruses generally used for gene therapy are:
| 1. | ds DNA virus | 2. | ss DNA virus |
| 3. | Reovirus | 4. | Reterovirus |
Subtopic: Gene Therapy |
84%
From NCERT
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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%
From NCERT
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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 |
93%
From NCERT
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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 |
70%
From NCERT
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A protoxin is:
| 1. | A primitive toxin | 2. | A denatured toxin |
| 3. | Toxin produced by protozoa | 4. | Inactive toxin |
Subtopic: Bt Crops |
90%
From NCERT
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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%
From NCERT
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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%
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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 |
81%
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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%
From NCERT
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