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 -galactosidase synthesis for the partial diploid I+ O+ Z+ / I- OC Z-
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
Correct Answer:
Verified
Q17: A null repressor mutation (I-)results in:
A)no transcription.
B)inducible
Q18: The enzyme
Q19: Which is the synthetic inducer Jacob
Q20: The lac repressor protein controls expression of
Q21: In the presence of the repressor molecule
Q23: In the presence of the repressor molecule
Q24: In the absence of arabinose,the AraC protein
Q25: The regulation of operon gene expression by
Q26: Which of the following is/are NOT part
Q27: The attenuator region (AR)of the trp operon
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