Cytoplasm


 
 
Concept Explanation
 

Cytoplasm

  •  It is a transparent, jelly-like fluid that fills up the part of the cell between the cell membrane and the nucleus. Under compound microscope it appears to be colourless.
  • The protoplasm which surrounds the nucleus is called 'cytoplasm'. It is formed of proteins, nucleic acids, carbohydrates, lipids and certain inorganic substances.
  • Many small organelles are found inside the cytoplasm. These are known as cytoplasmic organelles.
  • These organelles are the sites for various metabolic functions of the cell. Several structures called organelles are embedded in the cytoplasm.
  • These are Mitochondria, Golgi bodies, Ribosomes, Endoplasmic reticulum, etc. These are called cell organelles.
  • All the chemical reactions of cell occur in the cytoplasm.
  • There are many small cytoplasmic bodies suspended in the cytoplasm.
  • Functions of Cytoplasm:-

  • It holds cells organelle in place.
  • It gives shape to the cell.
  • Most of the chemical reactions takes place in the cytoplasm.
  • It helps in the exchange of material between cell organelle.
  • It acts as a storehouse of vital molecules such as amino acids, glucose, vitamin, iron etc.
  • It acts as the site for certain metabolic pathways such as glycolysis. Glycolysis is the first step in the breakdown of glucose to extract energy for cellular metabolism.
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    Sample Questions
    (More Questions for each concept available in Login)
    Question : 1

    The network of endoplasmic reticulum is present in the ___________________.

    Right Option : C
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    Explanation
    Question : 2

    Centrosome is found in _________________

    Right Option : A
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    Explanation
    Question : 3

    Which of the following statement is not true

    Right Option : A
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    Explanation
     
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