PG. 50-55 Cellular Respiration and Fermentation. Cellular Respiration Cells breakdown glucose (from photosynthesis), in the presence of oxygen to release.

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Presentation transcript:

PG Cellular Respiration and Fermentation

Cellular Respiration Cells breakdown glucose (from photosynthesis), in the presence of oxygen to release energy. Cellular Energy is called ATP (adenosine triphosphate) Respiration = breathing

Stage One Occurs in the cytoplasm of the cell Molecules of glucose are broken down Oxygen is not involved A small amount of energy is released

Stage Two Occurs in the mitochondria Glucose is broken down even more Requires Oxygen and even more energy is released Carbon dioxide is released Mitochondria are called the powerhouses of the cell because of this.

Chemical Equation

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Fermentation A ball of bread dough mixed with yeast is left in a bowl at room temperature. As time passes, the dough increases in size. Cellular Respiration