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What is Ribosome? Or, Define the Ribosome? Or, What do You Know About Ribosome?
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Ribosome : These are the small organelles composed of RNA-rich cytoplasmic granules.

  • It is the site of protein synthesisit is of two types which is given below ;

i. Rough Endoplasmic Reticulum (RER) : It is a vast system of interconnected, membranous, infolded and convoluted sacks, that are located in the cytoplasm.

  • RER contains ribosomes, which gives it a rough appearance.
  • It transports materials through the cell and helps in protein synthesis.

ii. Smooth Endoplasmic Reticulum (SER) : It is a vast system of inconnected, membranous, infolded tubes, which are located in the cytoplasm.

  • The space within the SER is called the SER lumen.
  • It transports materials through the cell and contains enzymes that produce and digest lipids (fats) and membrane proteins.
  • SER and RER and transports the newly-made protein and lipids to the the Golgi body.

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