Biology

Parts of animal cell| Structure of Animal Cell

Structure of animal cell 

Cell membrane 

  • this is the outermost boundary of an animal cell, also called the plasma membrane.
  • However, in plants and bacteria, the cell membrane itself is surrounded by a cell wall.
  • cell membranes are composed of lipids and proteins (lipoproteins). a cell membrane is or semi-permeable.

Function: 

  • The cell membrane regulates the selective movement of molecules into and out of the cell. it allows certain molecules to pass through it while others can not pass through it.
  • Cell membrane takes in material including in the form of vacuoles. it is called endocytosis.

Also Read: Plant cell

CYTOPLASM

  1. it is a vicious opaque (translucent) fluid portion of the cell which is present between the cell membrane and nuclear membrane.
  2. it consists of an aqueous ground substance called cytosol and a granular portion called cytoplasmic organelles.
  3. it is composed of organic compounds such as proteins, carbohydrates, lipids, (fats), enzymes, and some inorganic compounds e.g. water and salts.
  4. some important cytoplasmic organelles found in eukaryotic cells are as under.
  • Endoplasmic reticulum
  • Golgi complex
  • mitochondria
  • Plastids (in the case of plant cells)
  • Centrioles
  • Ribosomes
  • Vacuoles

Function : 

 

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