Repressible operons require that ________ binds to the repressor protein before it can bind to the operator.

A. a cofactor
B. the substrate
C. the product
D. the reactant
E. a coenzyme


Answer: C

Biology & Microbiology

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Were there any eukaryotic cells on Earth 1.5 billion years ago?

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If you were stranded in the Sahara Desert with very little water, you would likely die as a result of

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If an investigator removes the mesoderm from an

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Surfactants is one of the later components made in the fetus (prior to birth).

a. true b. false

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