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SlideshowReport

A CO2-acquisition adaptation.

Description
In contrast to most C4 plants, Bienertia cycloptera is able to conduct C4 photosynthesis within the confines of a single cell. In this fluorescence photograph of a B. cycloptera cell, the red plastids at the cell periphery function like the mesophyll cells of most C4 plants. In contrast, the red plastids clustered near the green nucleus function much like the bundle-sheath cells of most C4 plants. The plastids appear red because chlorophyll emits red light when it fluoresces.
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