The Highest Intensity of the Sun's Radiation at the Earth

question 5

Essay

The highest intensity of the Sun's radiation at the Earth surface is in the visible light wavelength ranges of between ~400 to 700 nm.
Questions:
a)Explain how plants maximize the uptake of sunlight energy.In your answer,consider chlorophyll and antenna pigment structures and functions.
b)Why does the photosynthetic part of plants appear green?
c)The leaves of some plants lose their green color in the fall,often appearing red or yellow.Use your knowledge of plant pigments to propose a possible reason for these color changes.

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