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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.
The chances of transmission in female is mor than males
What is the difference among sexual spores and gametes? Do humans present sexual spores or gametes? Sexual spores are structures formed from meiosis with ploidy (number of chro
what are the sub- headings in energy?describe energy in biology?
Carrier ions like Na+ facilitate the absorption of substances like: 1. amino acids and glucose 2. glucose and fatty acids 3. fatty acids and glycerol 4. fructose and so
Insulin, insulin syringe and insulin devices Insulin is the hormone used to treat diabetes mellitus. Insulin is given in the form of injection, because the gastro intestinal tr
Early campaigns of the 19th century that focused on sanitation, hygiene, housing, and nutrition had little effect in controlling communicable disease due to flawed rationale based
Q. What are extraembryonic membranes? Extraembryonic membranes are membranous structures that appear in parallel with the embryo and play vital roles in the embryonic developme
Q. Show the Symptoms of salmonellosis? Symptoms: The susceptibility of humans varies with the species and strains of the organism and the total number of bacteria ingested. A
The left atrio-ventricular aperture in man is guarded by
Alterations occurring in egg The quality, flavour, composition and functional properties of eggs are adversely affected more rapidly and to a greater extent by the speed and co
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