The likely outcome from a mutation in the lacO site (lac Operator) of the lac operon would be
A. binding of the activator protein could be hindered.
B. duplication could be affected.
C. the order in which the genes of the lac operon are transcribed could be altered.
D. binding of a repressor protein could be hindered.
E. binding of RNA polymerase could be hindered.
Answer: D
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Fill in the blank(s) with correct word
Voltage-gated channels contain charged protein domains, which are sensitive to changes in membrane potential. By responding to a threshold in the membrane potential, these voltage sensors trigger the opening of the channels
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Which portion of DNA serves as the starting point for a gene?
a. promoter b. nucleotide cap c. codon d. transcript e. polymerase