describe the ultrastructure of Mitochondria with the help of suitable diagram

Mitochondrion is a membrane-enclosed organelle found in eukaryotic cells.

Mitochondria are responsible for the production of most of the energy (or ATP) in cells. Therefore, mitochondria are also known as the   power house   of cells. A mitochondrion is composed of two lipid membranes, enclosing the matrix. The inner membrane gets folded to form numerous  cristae.   Cristae are the main site for ATP production. Mitochondrial matrix contains mitochondrial DNA and ribosomes

Functions of mitochondria:

  • They produce energy required for cells in the form of ATP.

  • They also regulate the free calcium ion concentration in the cytosol.

  • They participate in apoptosis or programmed cell death.

    Hope this information helps, regards.

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