Downstream processing does not include

  1. Quality control
  2. Clinical trials
  3. Product purification
  4. Sampling from bioreactor

Concept Questions :-

Large Scale Production: II
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Probes are molecules of

  1. DNA
  2. RNA
  3. Proteins
  4. All of the above

Concept Questions :-

Process of Biotech
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Which is not a component of the vector pBR322?

  1. Chloramphenicol selectable marker
  2. Replication proteins
  3. Origin of replication
  4. Cloning site for BamHI enzyme
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Genetic engineering is possible because-

  1. DNA can be cut at specific sites by using enzymes like DNAase II
  2. Restriction enzymes can be used in vitro
  3. DNA ligase can join two pieces of DNA
  4. E.coli acts as an ideal host for cloning.
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Which among the following is a cloning vector?

  1. EcoRI
  2. BamHI
  3. pUC18
  4. Sal I
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Two bacteria found to be very useful in genetic engineering are

  1. Diplococcus and Streptomyces
  2. Rhizobium and Xanthomonas
  3. Vibrio and Escherischia
  4. Escherischia and Agrobacterium
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Which of the following is a recombinant protein-

  1. b Galactosidase in E.coli
  2. Insulin in humans
  3. Somatotropin in humans
  4. Interferon in E. coli

Concept Questions :-

Large Scale Production: II
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An example of a transgenic is

  1. E.coli expressing b Galactosidase gene
  2. Carrot expressing Nif genes
  3. HIV expressing Reverse transcriptase gene
  4. Brassica expressing erusic acid gene
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Which of the following would you choose as the safest and least cumbersome selectable marker-

  1. Ampicillin resistance gene
  2. Tetracyclin resistance gene
  3. Kanamycin resistance gene
  4. b Galactosidase gene

Concept Questions :-

Selectable Markers:III
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Recombinant DNA is formed in nature during-

  1. Crossing over at pachytene
  2. Integration of plasmid to form episome
  3. Integration of phage DNA to form prophage
  4. More than one is correct.
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