Q. No.The immobilization of enzymes is achieved by
a. Killing the cells without affecting enzymes
b. Attaching the enzymes covalently to a solid support
c. Entrapping the living cells in gel
d. All of these
a. Killing the cells without affecting enzymes
b. Attaching the enzymes covalently to a solid support
c. Entrapping the living cells in gel
d. All of these
A genetically engineered micro-organism which has found extensive use in bioremediation oil spills is a species of
1. Trichoderma
2. Mucuna
3. Pseudomonas
4. Bacillus
Incorporation of the gene for phytoene synthase and carotene desaturase to make a particular variety of yellowish rice has proven useful in the treatment of-
| 1. | Congenital heart disease |
| 2. | Night blindness |
| 3. | Xeroderma |
| 4. | Phrenoderma |
Cry toxin acts by
| 1. | Lysis of intestinal cells |
| 2. | Binding to midgut epithelium |
| 3. | Cell swelling |
| 4. | More than one correct |
Humulin production through microbial factories does not include the incorporation of the gene for
| 1. | A peptide | 2. | B peptide |
| 3. | C peptide | 4. | Both (1) and (2) |
What is true for molecular diagnosis?
| 1. | It is inexpensive |
| 2. | It involves drawing of serum for the test |
| 3. | It can be used in the initial stages of the onset of the disease |
| 4. | All of the above |
The Cry toxin does not kill the bacterium in which it is produced because
| 1. | Bacterium is resistant to the toxin |
| 2. | The bacterial cytoplasm is highly acidic |
| 3. | The bacterial cytoplasm is highly alkaline |
| 4. | The toxin is activated in alkaline medium |
A transgenic organism is one which has
| 1. | Foreign DNA in some of its cells |
| 2. | Foreign RNA in all of its cells |
| 3. | Foreign DNA in all of its cells |
| 4. | Both (1) and (2) |
The toxin that is effective against cotton bollworm is
a. Cry IAc
b. Cry II Ac
c. Cry I Ab
d. All of these
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