• Lysosomes are membrane bound sacs filled with digestive enzymes .
  • Lysosomes are responsible for keeping the cell clean of any foreign materials or old, out-of-function organelles .
  • They maintain this function with the help of enzymes capable of digesting all organic material.
  • The enzymes are made by RER .
  • These are also known as the “suicidal bags” of the cell.

Why this name? 

  • In case of cell damage, lysosomes may burst , spilling the digestive enzymes in the cell.
  • The enzymes digest their own cell , thus killing it.

NOTE: Lysosomes are present only in animal cells . Plants cells do not need it .

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo