BRAINCAKEIntracellular Enzymes
An intracellular enzyme is an enzyme that functions within the cell it was produced.
Enzymes are needed to synthesise polysaccharides, proteins and a variety of molecules within cells.
Catalase is an enzyme found in both plant and animal tissue that catalyses the breakdown of hydrogen peroxide to oxygen and water.
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Key terms in this lesson
- mitochondrion
- An organelle with a double membrane, the inner one folded into cristae, that is the site of aerobic respiration and ATP production.
- prosthetic group
- A non-protein group that is permanently and tightly bound to a protein and is needed for it to function, such as the haem group in haemoglobin.