Proteins that block the passage of RNA polymerase are called:

a. promoters
b. activators
c. operons
d. enhancers
e. repressors


Ans: e. repressors

Biology & Microbiology

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All of the following statements about neurotransmitters are generally true EXCEPT:

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If genes A, B and C independently assort, what type(s) of gametes would a parent with the aaBbCC genotype make?

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Biology & Microbiology