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Part 1 of Photosynthesis and Cellular Respiration Notes

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Gretchen Hull

on 12 April 2013

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Transcript of Part 1 of Photosynthesis and Cellular Respiration Notes

PART 1: Energy and Chemistry Energy in a cell Photosynthesis versus Cellular Respiration Light and Energy PIGMENTS Autotrophs versus Heterotrophs
Autotrophs make their own food through photosynthesis or chemosynthesis example: Plants
Heterotrophs have to get food from another source; organic molecules, eating food example: Humans They are OPPOSITE of each other.
Photsynthesis: transfers/stores energy
Cellular respiration: releases energy
Cellular respiration occurs in ALL cells Our eyes perceive sunlight as white light, but it is really a mixture of different wavelengths of light.
Different wavelengths of light are seen as DIFFERENT colors. Chlorophyll a and b Electromagnetic Spectrum and Pigments Photosynthesis and Cellular Respiration PHOTOSYNTHESIS
-function: energy capture
-location: chloroplast
-reactants: CO2 and H2O
-function: energy release
-location: mitochondria
-reactants: C6H12O6 and O2
-products: CO2 and H2O capture light from the sun and absorb it.
They are able to absorb different wavelengths
absorbing light=absorbing it's energy tool
reflected light= the color we see click on video http://www.goldiesroom.org/Multimedia/Movie_Clips/05%20Nutrition/Plant%20Pigments.wmv Click on this link to answer the question: Why do leaves change colors in the fall?
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