• Types of Co-factors
• Coenzyme: A non protein organic substance that is loosely attached
to the enzyme
• Prosthetic Group: A non protein organic substance that is firmly attached to
the enzyme
• Metal ion activators: K+, Fe2+, Fe3+, Cu2+, Co2+, Zn2+, Mn2+, Mg2+,
Ca2+, or Mo2+.
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