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What is Catalyst in Microbiology? PDF | Download eBooks

Learn Catalyst definition in microbiology with explanation to study “What is Catalyst”. Study catalyst explanation with microbiology terms to review microbiology course for online degree programs.

Catalyst Definitions

  1. A catalyst is a substance that increases the rate of a chemical reaction without being permanently altered itself.

    Prescott's Microbiology 9th Edition by Joanne Willey, Linda Sherwood, Christopher J. Woolverton



  2. A substance that alters the rate of a reaction without being consumed or permanently changed by it. In cells, enzymes are catalysts.

    Foundations in Microbiology by Kathleen Park Talaro, Arthur Talaro



Catalyst Explanation

Catalysts are those substances which when added to a reaction speeds up the rate of reaction and is not consumed in the process. They either change the reaction mechanism or reduce the activation energy to speed up a reaction. Enzymes are biological catalysts which speed up a chemical reaction.

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