what is the name given to the theory that explains how a substrate fits the active site of an enzyme?
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what is the name for traits that are used to describe your approach to life, work, and relationships?
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what is the name for a substance containing only one type of atom?
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what is the missing word? cells __________ during development to perform different functions.
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what is the missing word? __________ substances can move into or out of cells by diffusion.
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