idinety ths cell organism organine body bounded by half unit membrane
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They are only found in plant cells. They arise from endoplasmic reticulum and are surrounded by a single but half unit membrane with phospholipid monolayer having polar heads towards the cytosol and hydrophobic tails towards the inner side. The membrane is stabilised by proteins called oleosins .
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Spherosome
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Sphaerosomes(=spherosomes) or Oleosomes are small cell organelles bounded by single membrane which take part in storage and synthesis of lipid. They were discovered by Perner. They are only found in plant cells. They arise from endoplasmic reticulum and are surrounded by a single but half unit membrane with phospholipid monolayer having polar heads towards the cytosol and hydrophobic tails towards the inner side. The membrane is stabilised by proteins called oleosins . Hence the name Oleosomes. 98%of a sphaerosome is lipid. Proteins constitute the remaining 2% . Some proteins are probably enzymatic and take part in synthesis of lipids. They can be dyed by Sudan dyes because of the presence of lipids. Sphaerosomes occur abundantly in the endosperm cells of oil seeds.These organelles have hydrolytic enzymes.So they are also called "lysosome of plant cell".
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