-The visible light spectrum includes the colors of light we
can see and the wavelengths that drive photosynthesis
Photosynthetic Pigments: The Light
Receptors (WHY LEAVES ARE GREEN!)
•
Pigments
–
Absorb visible light (what we don’t see)
–
Reflect light (the colors we do see)
Light
Reflected
Light
Chloroplast
Absorbed
light
Granum
Transmitted
light
Figure 10.7
•
The absorption spectra of chloroplast pigments
–
Provide clues to the relative effectiveness of
different wavelengths for driving
photosynthesis
