The method of crystalline counter was used for investigating the movement of photogenerated holes in chlorophyll a layers. It has been shown that kinetics of the increase of tension impulses U(t, V) contains two phases: the initial phase of fast increment of impulses for the time (2 divided by 10) x
Porphyrins and metalloporphyrins are the key pigments of life on earth as we know it, because they include chlorophyll (a magnesium-containing metalloporphyrin) and heme (iron protoporphyrin). In eukaryotes, porphyrins and heme are synthesized by a multistep pathway that involves eight enzymes. The
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