When an enzyme catalyzing a catabolic reaction changes conformation to an induced fit with the substrate,
A. it stresses chemical bonds in the enzyme so that the enzyme breaks into two catalytic subunits.
B. it strengthens chemical bonds in the substrate so that cofactors can act on it.
C. it strengthens the chemical bonds in the enzyme so that it remains perpetually active.
D. it stresses chemical bonds in the substrate, making it easier to break them.
Answer: D
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