ORGANELLE DIAGRAM: PEROXISOME:
In this picture, a peroxisome appears as a bluish sphere with a granular interior. Unlike lysosomes, peroxisomes do not bud from the Golgi but seem to originate independently. Like mitochondria, they may once have been separate organisms that became incorporated into cells early on in evolution. They oxidise various materials and then dispose of the hydrogen peroxide that results using an enzyme called catalase.
SUMMARY
name(s): peroxisome
location: in cytoplasm
appearance: variable; approx spherical with a single membrane and a granular or crystalline-like interior in some cases.
size: variable (illustrated at about 700nm in diameter).
function: oxidise materials and then catalyse the destruction of the resulting hydrogen peroxide.
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