Microbes in Human Welfare (Medical Entrance)

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Multiple Choice

Threonine operon of E.coli strains is exploited for threonine production. Which enzyme is coded by the thrB-gene of E.coli operon?

  1. Homoserine dehydrogenase
  2. Threonine synthase
  3. Aspartate semialdehyde dehydrogenase
  4. Homoserine kinase
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