Cellular Energy - Chlorophyll/Pigments

Question 1

light

Answer 1

• Light coming from the sun, white light, is actually a mixture of all the colors.
• The different wavelengths of light that we can see make up the visible light spectrum.
• Each color we see has a different wavelength of light.

Question 2

pigments

Answer 2

• Light absorbing molecules.
• Chlorophyll is the principal pigment of photosynthesis.
• Absorbs light from the blue-violet region and the red regions of the visible light spectrum.
• Plants do not absorb much if any green light so that is why plants are green.
• The wavelength that is being reflected is what we see.
  Replacing chlorophyll
• These are used during periods of low light. (like fall and winter)
• Carotene pigments absorb light in the red and orange region of the spectrum. ​​