Differentiate between coenzyme and cofactor.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Differentiate between coenzyme and cofactor.
coenzyme
cofactor
Transcribed Image Text:Differentiate between coenzyme and cofactor. coenzyme cofactor
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Step 1
Coenzyme Cofactor
Coenzymes are nonprotein organic molecules that bind loosely to an enzyme. Cofactors are chemical compounds that are bound to proteins. A cofactor is a non-protein chemical compound.
Most of them are vitamin derivatives. Most of these are inorganic and contains metal like Iron, zinc, calcium, etc.
Examples of coenzymes are  nicotinamide adenine dinucleotide (NAD), nicotinamide adenine dinucleotide phosphate (NADP)

Examples of cofactors are

  • Iron in catalase and peroxidase enzyme.
  • Molybdenum in Nitrogenase enzyme.
  • Magnesium in PEPcase and RuBisCO.
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