Mitochondria (Power house of cell )
Mito – thread chondrion – granule
- These are rod shaped structures,
- function as power generators of cell as they convert nutrient and oxygen in to ATP
- It is chemical energy which is essential to carry out the metabolic process of cell.
History-
- 1880 – Koliker – discover in Insects muscles cells and give name – Sarcosome
- 1882 – Flaming – Thread like structure
- 1884 – Altman – Stain – Janus Green (Stain use in Lab), Alizarin +C.V. Give name – Bioplast.
- 1898 – Benda – Give name – Mitochondria
- 1904 – Discover in Plant (Nymphea) by – Meves
- 1953 – Palade and Porter – Study Electron Microscope
- 1963- Nass – Discover mtDNA
Presence and Distribution
- It is present in all eukaryotic cells except RBC and Prokaryotic Cell
- These are freely distributed in cytoplasm
- These are found in large number in which cell where much more energy are required
Number –
In Metabolically active cell – 1 Lakh or more / Cell
Size –
- Generally it is – 0.5 μ wide and 1.5 – 10μ long
- Smallest – Yeast – 1mμ
- It can also 40μ long
Shape –
Cylindrical , Rod, Filamentous, Round Granular, Clubshape, Vesicular.
