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Molecular Biology Practice Test 57

Operons: Lac and Tryptophan Operons Quiz Questions and Answers PDF - 57

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Operons: Lac and Tryptophan Operons Questions and Answers PDF Download: Quiz 57

MCQ 281: When was the concept of operon coined?

A) 1961
B) 1962
C) 1963
D) 1965

MCQ 282: The two chains in the insulin are interconnected with the

A) Peptide bond
B) Disulfide bridges
C) Ester bonds
D) Glycosidic bond

MCQ 283: During the treatment of cancer the drugs targeting the

A) Polymerases
B) Helicases
C) Topoisomerases
D) Ligases

MCQ 284: Cancer destruction of the living cells and gene mutation the result of

A) Water pollution
B) Radioactive pollution
C) Inorganic pollution
D) Air pollution

MCQ 285: The solution having ability to resist the changes on adding small amount of bases of acids defined as

A) Homogeneous solutions
B) Heterogeneous solution
C) Buffers
D) Alkaline

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