Which Statement Is TRUE of Enzyme Catalysts

question 80

Multiple Choice

Which statement is TRUE of enzyme catalysts?

• A) They bind to substrates but are never covalently attached to substrate or product.
• B) They increase the equilibrium constant for a reaction, thus favoring product formation.
• C) They increase the stability of the product of a desired reaction by allowing ionizations, resonance, and isomerizations not normally available to substrates.
• D) They lower the activation energy for the conversion of substrate to product.
• E) To be effective, they must be present at the same concentration as their substrates.

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