What are the functions of SER, RER, Golgi apparatus, lysosomes, mitochondria, plastids and vacuoles

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Functions of Smooth endoplasmic reticulum (SER) :
  • Smooth ER is not associated with ribosomes, it synthesis fats and lipids.
  • It takes part in the metabolism of carbohydrates.
  • It actively participates in drug detoxification.
  • It maintains the calcium ion concentration in the cytosol.

Functions of Rough endoplasmic reticulum (RER) :
  • Rough ER associated with nuclear membrane.
  • Its main function is proteins synthesis.
  • Most of the lysosomal proteins are produced in the rough ER.
  • It transports proteins to various destinations like the plasma membrane.
  • This is the major site of glycosylation (addition of carbohydrates in proteins).

Functions of golgi apparatus are:

  • It involves the transport of lipids in cells.

  • It involves the formation of lysosomes.

  • It also takes part in glycosylation and phosphorylation of certain proteins.

    Functions of lysosomes:

  • They digest macromolecules by phagocytosis, endocytosis, or autophagy

  • They also take part in auto-cell lysis.

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