Sunday, December 4, 2022
Mitochondrial Health

Mitochondria structure & function/ (The power house of cell) Biology class 9th & Fsc part 1st

mitochondria are found in nearly all eukaryotic cells including those of plants, animals and fungai.and mist unicellular eukaryotic some cell have a single large mitochondrion, but more often a cell has hundred or even a thousand of mitochondria.the number correlates with the cell level of metabolic activity.
for example cell that move or contract have proportionally more mitochondria per volume than less active cells.
each of the two membranes enclosing the mitochondrion is a phospholipid bilayer with a unique collection of embedded protein.
the outer membrane is smooth but the inner membrane is convoluted with infolding called cristae.
The inner membrane divide the mitochondrion into two internal compartment the first is the inter membrane space the narrow region between the inner and outer membrane .
The second compartment is the mitochondrial matrix is enclosed by the inner membrane.
The matrix contain many different enzymes as well as the mitochondrial DNA and ribosome.
Enzyme in the matrix catalize same of the steps of cellur respiration other protein involve in respiration. including enzyme that make ATP. by making of ATP mitochondria is called the power house of the cell.


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