The repressor is bound to the lac operon unless this is present:
a. lactose.
b. lactase.
c. transcription factor.
d. RNA polymerase.
e. promoter.
a
Biology & Microbiology
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Following transplant surgery, a patient is given ________ drugs that block the action of the immune response against the transplanted organ
Fill in the blank(s) with correct word
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A large portion (45%) of the human genome is composed of
A. templates. B. introns. C. pseudogenes. D. exons. E. transposons.
Biology & Microbiology
osmotic potential
What will be an ideal response?
Biology & Microbiology
Which pigment(s) do red algae contain?
a. chlorophyll a b. chlorophyll a and chlorophyll b c. chlorophyll a, chlorophyll b, and phycoerythrin d. chlorophyll a, phycocyanin, and phycoerythrin
Biology & Microbiology