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A-Level Biology OCR A

Prosthetic Coenzymes Cofactors Groups Organic Permanently Attached Describe

Coenzymes and prosthetic groups are cofactors; coenzymes are organic and temporary, while prosthetic groups are permanent and can be organic/inorganic.

Cofactors, coenzymes, and prosthetic groups are all types of cofactors; coenzymes are organic and not permanently attached, while prosthetic groups are permanently attached and can be organic or inorganic.

Front Describe the similarities and differences between cofactors, coenzymes and prosthetic groups.
Back Comparing cofactors, coenzymes and prosthetic groups:
  • Coenzymes and prosthetic groups are both cofactors
  • Coenzymes are organic cofactors that are not permanently attached to the protein
  • Prosthetic groups are cofactors that are permanently attached to the enzyme
  • Cofactors and prosthetic groups can be organic or inorganic (org molecules or ions)

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