Wavelengths of Light

StanleyJoe

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A year ago

Dear Biochemistry Community:
Could it be that the plant pigments in leaves help to filter out which wavelengths of light are not necessary in plant metabolism? As an example: The green of chlorophyll filters out, that is reflects out, the unnecessary green light from the leaf, thus allowing the other parts of the spectra to be used by the plant in its metabolism. Thank you.

Best regards,
Carl Mesaros

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bio_man

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Educator

A year ago

The green pigment in leaves is what enables photosynthesis to exist in the first place. The pigment chlorophyll is green in color, and is the reason for green leaves. Photons of light activate the chlorophyll molecules, leading to a cascade of biological reactions that convert CO2 into O2 and the production of carbohydrates.

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Thomas K.

wrote...

11 months ago

Yes, you are correct. Chlorophyll, the primary pigment responsible for photosynthesis in plants, does indeed absorb certain wavelengths of light while reflecting or transmitting others. Chlorophyll absorbs most strongly in the red and blue regions of the electromagnetic spectrum, while reflecting green light, which gives leaves their green color.

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