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Chapter 17: Molecular Biology Exam Tests

Molecular Biology MCQs - Chapter 17

Regulation of Gene Expression Multiple Choice Questions (MCQ) PDF - 1

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The Multiple Choice Question (MCQ Quiz) Structural gene Z in the lac operon code for the enzyme known as: galactoside acetylase, galactose permease, galactosidase and amylase with "Regulation of Gene Expression" App Download (Free) to learn online certificate courses. Solve operons: lac and tryptophan operons quiz questions, download Google eBook (Free Sample) for online certificate courses.

Regulation of Gene Expression MCQ Quiz PDF Download: Test 1

MCQ 1: The structural gene Z in the lac operon code for the enzyme known as

A) Galactose permease
B) Galactoside acetylase
C) galactosidase
D) Amylase

MCQ 2: In E. coli the regulation of lactose metabolism is known as

A) Tryptophan operon
B) Lac operon
C) Operon
D) none of above

MCQ 3: The genes that are needed for the maintenance of the basic cellular functions are known as

A) Constitutive genes only
B) Housekeeping genes only
C) Jumping gene
D) Constitutive and Housekeeping genes

MCQ 4: The regulation of the gene expression is entirely necessary for the

A) Development
B) Growth
C) Differentiation
D) all of above

MCQ 5: The tetrameric regulatory protein of the lac operon has molecular weight nearly

A) 130000
B) 150000
C) 140000
D) 110000

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