Gene Regulation in Bacteria and Bacteriophage Utilize the Following Terminology

Multiple Choice

Gene regulation in bacteria and bacteriophage utilize the following terminology.Twelve terms are given below (a - l) , followed by twelve statements.Write the letter of the correct term.A single letter is sufficient.Not all letters need be used.Some letters may be used more than once.
Term List
-phenotype with respect to the synthesis of tryptophan enzymes in the trp operon trp R⁺ O^C S⁺ (trpR codes for repressor;S = structural gene)

A) temporal control
B) positive control
C) negative control
D) inducible
E) noninducible
F) repressible
G) constitutive
H) operator
I) repressor
J) effector molecule
K) feedback inhibition
L) suppressor mutation