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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 Molisch's Test or alpha naphthol reaction? The Molisch test is a common test for the existence of carbohydrates. Principle The reaction is due to the formation of
Define Pasteurization and Sterilization - thermal processing? Pasteurization: Pasteurization is a mild heat treatment to kill part of the microorganisms present in food
According to the theory of natural selection, what factor below contributed to the current variations in beak sizes of finch species on the Galapagos islands? a. Finches dispersed
Q. What are the chemical substances that facilitate to compose the plasma membrane? The major constituents of the plasma membrane are phospholipids, proteins and carbohydrates.
The cost of replacing these indirect uses of biodiversity, even if it were technically possible, would be so high as to render it impossible to duplicate. We also do not know how
Write the meaning of Life Style Modification (LSM) Life style modification means diet control and doing exercises. Diet control and exercise should be planned on individual bas
Q. Explain about ABCC11 GENE? Wax in the external canal of the human ear may be wet or dry. Whether earwax is wet or dry has been traced to a gene called ABCC11, found on ch
The best way to maintain quality of air and pollutant's emissions is by using less polluting fuels and processes. Following can be taken to control air pollution. Source correc
how many phylum does kingdom protista has?
Define the Interaction of Vitamin C with other Nutrients? Having gone through the discussion above it must be evident to you that nutrients are interdependent and are related t
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