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Operons Lac and Tryptophan Operons MCQ (Multiple Choice Questions) PDF Download

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The MCQ: In E. coli the regulation of lactose metabolism is known as; "Operons: Lac and Tryptophan Operons" App Download (Free) with answers: Tryptophan operon; Lac operon; Operon; to learn e-learning courses. Practice Operons Lac and Tryptophan Operons Quiz Questions, download Apple e-Book (Free Sample) for accredited distance learning universities.

Operons Lac and Tryptophan Operons MCQs: Questions and Answers PDF Download

MCQ 1:

The structural gene Z in the lac operon code for the enzyme known as

  1. Galactose permease
  2. Galactoside acetylase
  3. galactosidase
  4. Amylase
MCQ 2:

In E. coli the regulation of lactose metabolism is known as

  1. Tryptophan operon
  2. Lac operon
  3. Operon
  4. none of above
MCQ 3:

The tetrameric regulatory protein of the lac operon has molecular weight nearly

  1. 130000
  2. 150000
  3. 140000
  4. 110000
MCQ 4:

The concept of the operon was coined by

  1. Jacob
  2. Monod
  3. Bergstrom and samuelsson
  4. Jacob and Monod
MCQ 5:

The lac operon included

  1. Operator gene
  2. Structural gene
  3. Promoter site
  4. all of above

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Operons: Lac and Tryptophan Operons App (Android & iOS)

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