Which Statement Concerning Chemical Reactions and Catalysts Is True

question 206

Multiple Choice

Which statement concerning chemical reactions and catalysts is true?

• A) In living systems, most chemical conversions do not involve catalysts.
• B) Spontaneous chemical changes occur rapidly in aqueous solutions.
• C) Water functions as a catalyst in many biochemical conversions.
• D) Lightning was a catalyst for polymerization of large molecules on early Earth.
• E) Catalysts are necessary for life because they speed up biochemical reactions that would otherwise take too long to occur.

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