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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.
Ecosystems main functions are physical, chemical and biological processes. Which is required for if maintenance of ecosystem. Some important function- 1. Production of bi
What is the difference between the amphibian heart and the reptile heart? The reptiles have double and incomplete circulation too, three heart chambers (two atria and one ventr
A zoologist is investigating a population of squirrels whose coat color is controlled by a single gene whose two alleles (B1 & B2) are codominant. B1B1 individuals are black, B1B2
Ink prints of leaves Place a small quantity of printer's ink on a sheet of glass or a tile. Roll the ink into a thin yet layer with a rubber roller. Place a leaf, vein side up,
Zinc deficiency Zinc is essential for several physiological functions in the body such as protein synthesis, carbohydrate and nucleic acid metabolism, and foetal growth. The de
Comparison with Amphibian Gastrulation On comparison of chick gastrulation along with amphibian gastrulation you will find many similarities along with significant difference
What is the Importance of vitamin B 6 In the human and animal organisms, vitamin B 6 acts in the form of pyridoxal. In the form of 5'-orthophosphate (Pyridoxal-5'-phosphate),
How Peroxisomes formed Peroxisomes are formed within the cell from the smooth endoplasmic reticulum by a process of budding. Peroxisomes found in the kidney and liver cells are
Q. What are the two kinds of circulatory systems? The circulatory systems can be classified into closed circulatory system and open circulatory system.
Manx cats are heterozygous for a dominant mutation that results in no tails or very short tails, large hind legs and a distinctive gait. The mating of two Manx cats yields two Manx
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