Smooth Endoplasmic Reticulum

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Smooth Endoplasmic Reticulum
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• It is a system of membrane enclosed tubes.
• It is found in many different cells, each time
  performing different functions.
• It is found in the cytoplasm of cells.

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It is a system of membrane enclosed tubes.
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2.Functions of a SER

• It provides a large surface area for the
  organization of chemical reactions.
• It packages proteins for transport.
• In liver cells contains enzymes which break down
  chemicals.
• Stores, synthesises and secretes carbohydrates,
  lipids and other non-protein product.
• In muscle cells it serves as a store of calcium.

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3. It is found in the cytoplasm of cells.