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Mitochondria 2 - Paper

Mitochondria 2

Mitochondria are tiny organelles found in nearly all eukaryotic cells. They are rather large organelles ranging from 0.5ľm to 10ľm in length and 1ľm in diameter. The mitochondria are the energy factories of the cell and are located in the cytoplasm. They are the sites of cellular respiration. The mitochondria are responsible for generating ATP from such organic fuels as simple sugars and fats in the process of cellular respiration. This doubled-membrane organelle has its own DNA and can reproduce by splitting itself.
The mitochondria are sausage-shaped structures that move, change their shape and divide. They are distinct organelles with two membranes, the inner membrane and the outer ...

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area which enhances the productivity of respiration.
The inner membrane and outer membrane effectively divide the mitochondria into two internal compartments. The space located between the outer and inner mitochondrial membrane is called the intermembrane space. The space enclosed by the inner membrane is called the mitochondrial matrix. It is here that many of the metabolic steps of cellular respiration occur.
The intermembrane space reflects the solute composition of the cytosol, because the outer membrane is permeable to small solute molecules. it has its own small group of enzymes, because the o outer membrane is not permeable to macromolecules.
The mitochondrial matrix contains enzymes that catalyse many metabolic steps of cellular respiration. Some enzymes are actually embedded in the inner membrane.
The purpose of the mitochondria is to power the cell. These organelles take in glucose and oxygen and break them down to provide ATP (a substance that is an ...

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PAPER DETAILS

Added: 2/16/2005 04:51:07 PM
Category: Science & Nature
Type: Premium Paper
Words: 752
Pages: 3

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