Photosynthesis

Photosynthesis - Photosynthesis SBI 3C Overview All energy...

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Photosynthesis SBI 3C
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Overview All energy on earth comes from the sun. We depend on: Plants Algae (underwater plants) Cyanobacteria (photosynthetic bacteria) To provide this energy to us!
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Overview
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Overview Carbon dioxide and water are taken in by plants Plants absorb light energy and convert it to a usable form. ATP Energy is used to “fix” carbon dioxide into sugar molecules Chemical energy Sugar is converted to starch and stored for use by the plant, and by animals when they eat plants.
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Chloroplasts Have TWO membranes A “bi-bilayer!” The inner membrane is called the thylakoid. The thylakoid is folded and looks like stacks of coins called granum (grana singular). The stroma is the space surrounding the granum Image source: http://www.daviddarling.info/encyclopedia/C/chloroplasts.html
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Chlorophyll molecules are embedded in the thylakoid membrane Act like a light “antenna”
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This note was uploaded on 11/07/2011 for the course BIOLOGY 100 taught by Professor Staff during the Winter '08 term at BYU.

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Photosynthesis - Photosynthesis SBI 3C Overview All energy...

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