59. A lac operon repressor protein is A) a product of lac operon B) is produced

Question

59. A lac operon repressor protein is

A) a product of lac operon

B) is produced by a gene separate from lac operon

C) is a product of tryptophan operon

D) is the same as CAP protein

E) activate by allolactose

61. The features of signal-transducing systems are

A) amplification and specificity

B) desensitization/adaptation

C) integration and modularity

D) localized response

E) amplification, specificity, decensitization/adaptation, integration and modularity

61. The features of signal-transducing systems are

A) amplification and specificity

B) desensitization/adaptation

C) integration and modularity

D) localized response

E) amplification, specificity, decensitization/adaptation, integration and modularity

Explanation / Answer

Answer

59. A) a product of lac operon
The protein that is formed by the lacI gene is known as the lac repressor.
61. E) amplification, specificity, decensitization/adaptation, integration and modularity

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