"An enzyme's active site is unique only to a particular substrate." This means that the substrate must fit the active site of the enzyme in order for the reaction to occur.
A. True

B. False

Where in the body can you find chemoreceptors? a. on the skin and ears, to detect pressure, touch, motion, and sound b. on the retina, to detect a single photon of light c. on the skin, to detect temperature or specific chemicals d. on the tongue and in the nose, to detect taste or odor

Nucleic acids offer variability because they contain alternate forms of genes called .

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