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Cyanobacteria carry out photosynthesis using two photosystems as in green plants. Furthermore, other photosynthetic bacteria, like as the purple photosynthetic bacterium Rhodospirillum rubrum which have only a one photosystem reaction center. This can hold out cyclic electron transport, producing a proton gradient and thus synthesizing ATP (cyclic photophosphorylation). In other words, a noncyclic pattern of electron transport can be carried out in that the electrons from the cytochromes pass to NAD+ (rather than NADP as in green plants) to create NADH. The electron donor is, for instance, hydrogen sulfide (H2S) that produces sulfur (S). The Hydrogen gas (H2) and a various of organic compounds can also be used as electron donors by particular photosynthetic bacteria. Because H2O is not used as electron donor, no oxygen is formed.
Define Functions of Pyridoxine? There are three different forms of vitamin B6, namely pyridoxine, pyridoxarnine, and pyridoxal. All three must be phosphorylated and the 5'-phos
PHYSICA L PROPERTIES All monosaccharides which have an asymmetric carbon are able to rotate polarized light either to left side ( laevorotatory ) or right side ( dextroro
what process are nematocysts formed by the cnidoblast?
what is the life cycle of a protozoa
Q. What are the mitochondria? What is the fundamental morphology of these organelles and in which cells can they be found? Mitochondria are the organelles in which the most sig
Elaborate the term - Gill slits. Lateral opening in the wall of pharynx which allows water to enter into mouth and exit through the pharynx. This is one of the ancestral charac
The first evidence of implants dates back to 600 A.D. in the Mayan population. There are reports that the ancient Egyptians attempted intra-osseous implantation of animal teeth or
GONADS - They develop from the mesoderm of the embryo. The gonads are the sex glands; the ovaries and the testes. They produce ova and sperms respectively i.e. cytogenic in
Explain Eicosanoids Eicosanoids are the local hormones formed by body tissues during self-healing responses to stimuli. Eicosanoids are a family of compounds deriv
#question.which annelids shws bioluminescence .
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