Asked in PMC Practice Test 13 (2021) 2021Moderate

Enzymes speed up the reaction upto?

Correct answer: A. 1010

  • A. 1010
  • B. 2010
  • C. 1020
  • D. 1510

Explanation

Yes, enzymes can speed up reactions by factors of up to 1010 (ten billion) or even higher. This represents an enormous rate enhancement provided by enzymes compared to the uncatalyzed reaction.Enzymes achieve such high rate accelerations by lowering the activation energy barrier required for the reaction to occur. This allows the reaction to proceed more rapidly and efficiently, resulting in a significant increase in the reaction rate.It's important to note that the extent of the rate enhancement can vary depending on factors such as the specific enzyme, the reaction conditions, and the substrates involved. Some enzymes may provide lower rate enhancements, while others can exhibit much higher catalytic efficiencies, reaching the range of 1010 or beyond.

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About Characteristics of Enzymes

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