What Is the Role of Pigments in Photosynthesis?

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Presentation transcript:

What Is the Role of Pigments in Photosynthesis? Light and Pigments

Role of Pigments Pigments are light-absorbing colored molecules. Different pigments absorb different wavelengths of light. Chlorophylls are the major light-absorbing pigments in plants. They absorb energy from violet-blue light and reflect green light, giving plants their green color.

Accessory Pigments Role of Accessory Pigments: Accessory pigments help plants absorb additional light. Plants need to make these accessory pigments to maximize the amount of photosynthesis they can do. More pigments = More glucose or food for the plant!

Types of Accessory Pigments Carotenoids: reflect yellow, orange, and red light. Carotenoids give carrots and sweet potatoes their orange color and are very common in our area. Anthocyans: reflect red, blue, violet light. Xanthophylls: reflect yellow light.