Cytochromes

cytochromes
myoglobin, and
hemoglobin.
Not surprisingly, an iron deficiency shows up first as anemia.
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cytochromes: molecules that accept and release electrons in an electron transport system.
cytokinesis: the process during mitosis in which the cytoplasm divides into two separate cells; also called cytoplasmic division.
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Cytochromes are pigments that contain iron. They are found in two very different environments.
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Geobacter sulfurreducens specifically expresses genes for some c-type cytochromes when Fe(III) serves as the electron acceptor.
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Cytochromes are molecules that pass the "hot potatoes" (electrons) along the ETS chain. Energy released by the "downhill" passage of electrons is captured as ATP by ADP molecules. The ADP is reduced by the gain of electrons.
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In cyclic electron flow, the electron originates in a pigment complex called photosystem I, passes from the primary acceptor to ferredoxin, then to a complex of two cytochromes (similar to those found in mitochondria), ...
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oxidative phosphorylation The electron transport system associated with aerobic respiration and mitochondria. In the release of energy through a series of cytochromes, three molecules of ATP are made.
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cytochromes Heme proteins serving as electron carriers in cellular respiration, photosynthesis, or other redox reactions. Cytochrome c, for example cytokinesis The final separation of daughter cells following mitosis.
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