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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 Physical and Physiological Changes? Every stage has its unique requirements due to different changing needs. With respect to nutrition and health, four different basic a
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Which of the following statements is correct? A. Hemoglobin binds O2 more tightly at pH 7.2 than at pH 7.4. B. Fetal hemoglobin under physiological conditions binds O2 more t
hows does insulin from the pancreas reach the liver?
Define Regulation of amino acid levels in the blood? Regulation of amino acid levels in the blood: Vitamin D helps to prevent loss of amino acids through the kidney and thus
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Minerals :- Iron Food Source Cereals, legumes, meat contamination from iron utensils and soil Nutritional Functional role Essential nutrient: Deficiency lead
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