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

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A genetically engineered micro-organism which has found extensive use in bioremediation oil spills is a species of
a. Trichoderma
b. Mucuna
c. Pseudomonas
d. Bacillus

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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
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Cry toxin acts by

  1. Lysis of intestinal cells
  2. Binding to midgut epithelium
  3. Cell swelling
  4. More than one correct
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Humulin production through microbial factories does not include the incorporation of the gene for
a. A peptide
b. B peptide
c. C peptide
d. Both a and b

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The bubble disease was earlier treated through enzyme replacement therapy. The enzyme in question is
a. Phytoene esterase
b. Carotene hydroxylase
c. Phenylalanine hydroxylase
d. Adenosine deaminase

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What is true for molecular diagnosis?
a. It is inexpensive
b. It involves drawing of serum for the test
c. It can be used in the initial stages of the onset of the disease
d. All of the above

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The Cry toxin does not kill the bacterium in which it is produced because
a. Bacterium is resistant to the toxin
b. The bacterial cytoplasm is highly acidic
c. The bacterial cytoplasm is highly alkaline
d. The toxin is activated in alkaline medium

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The first transgenic animal was
a. Mouse
b. Cat
c. Sheep
d. Monkey

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A transgenic organism is one which has
a. Foreign DNA in some of its cells
b. Foreign RNA in all of its cells
c. Foreign DNA in all of its cells
d. Both a and b

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