Photosynthesis

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Photosynthesis
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What do you think of when you hear the word
radiation?

• Light is a form of electromagnetic radiation
• The difference in types of radiation is that they
  have different wavelengths
• Sunlight contains all pigments of visible light

• In plants, light energy is harvested by pigments
  that are located in the thylaloid membrane of
  chloroplasts

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Electromagnetic Spectrum
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Photosynthesis occurs in 2 stages

• Light dependent phase
• 2. Light independent phase

Brightstorm - Photosynthesis Overview
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Light Dependent Phase

• Occurs in the thylakoid
• Uses water and light
• Produces ATP, NADPH, and Oxygen

http//cnre.vt.edu/dendro/forestbiology/photosynth
esis.swf
http//www.stolaf.edu/people/giannini/flashanimat/
metabolism/photosynthesis.swf
Brightstorm - Light Dependent Reactions
http//www.compulink.co.uk/argus/Dreambio/photosy
nthesis/photosynthsis20animation.htm
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Light Independent phase

• Occurs in the stroma
• Uses ATP, NADPH, and Carbon Dioxide
• Produces Sugar

Brightstorm - Calvin Cycle/Dark Reactions
http//glencoe.mcgraw-hill.com/sites/9834092339/st
udent_view0/chapter39/calvin_cycle.html