Stig Östlund

lördag, juli 30, 2011

Chemistry of Green: Chlorophyll -- Chemistry Now




Chemistry of Green: Chlorophyll


The chemistry of photosynthesis, pigments, visible light spectrum. This video explains the basic role of the pigment molecule chlorophyll in photosynthesis, and explains why plants are--or appear to be--green: because chlorophyll molecules absorb visible light in all color wavelengths except green, which is reflected back, into our eyes.

Credit: NBC Learn and the National Science Foundation (NSF)

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