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In the mitochondria most chemical reactions involving cellurlar respiration occur.
Outer Membrane
This membrane is fairly smooth and much simpler than the inner membrane. It contains protein structures called porins which makes it permeable to only the smallest proteins 10 kilodaltons).
Organic molecules are converted into engergy for the cell.
Mitochondria
Inner Membrane
It is very twisted and coiled forming folds called cristae. Poteins in the cristae carry out energy-harvesting chemical reactions.
the shape is dependent on the cell type
Mitochondria gives a cell the engery it needs to move, divide, and produce secretory products. They are known as the power centers of a cell.
cellurlar respiration is the proccess of creating cell engergy