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Cell Energy Photosynthesis Cellular Respiration Fermentation How do cells obtain the energy required to function properly?

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Presentation on theme: "Cell Energy Photosynthesis Cellular Respiration Fermentation How do cells obtain the energy required to function properly?"— Presentation transcript:

1 Cell Energy Photosynthesis Cellular Respiration Fermentation How do cells obtain the energy required to function properly?

2 Cell Energy Cells need energy to function Organisms must obtain energy and process it into a form that their cells can use

3 Cell Energy Plant cells use photosynthesis to obtain usable energy Plant and animal cells use cellular respiration to obtain usable energy

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5 Photosynthesis How plant cells turn light energy into a usable energy Chlorophyll is a green pigment, a group of molecules in the chloroplast of plant cells, that absorb the sun’s light energy Plant cells use the captured light energy to change carbon dioxide and water into glucose, a simple sugar it uses as food Plant cells use the energy stored in glucose

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7 Cellular Respiration How cells turn energy from glucose into a usable energy Mitochondria change oxygen and glucose into carbon dioxide, water, and energy in the form of ATP Cells use the energy stored in ATP

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9 Cell Energy Photosynthesis Occurs in plant cells Initial energy comes from the sun’s light energy Occurs inside the chloroplast Light Energy, Water & Carbon Dioxide are required Glucose & Oxygen are produced Cellular Respiration Occurs in plant & animal cells Initial energy comes from glucose Occurs inside the mitochondria Glucose & Oxygen are required Carbon Dioxide, Water & ATP are produced

10 Fermentation Method cells use to turn glucose into a usable stored energy when oxygen is not present A small amount of ATP is produced from only partial breakdown of glucose


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