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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.
What is the pleiotropy? The Pleiotropy (or pliotropy) is the phenomenon in which a single gene conditions several various phenotypical traits. Few phenotypical traits may be
Process of Regeneration in Planarians Regeneration in planarians has been broadly studied and considerable information regarding this phenomenon is now available. Let us see w
Signs and Symptoms Decreased urine output Bloody or brown colour urine Edema Malaise Mild headache Gastrointestinal disturbances
Biodiversity provides us with life -sustaining services. As discussed below, these ecosystem services have a much higher value than most people realize. At the ecosystem level, bio
What organisms make starch? What is it used for? What organisms make glycogen? What is it used for?
What are brief descriptions of how you could test hypothesis. or how would you know if your hypothesis is testable?
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Explain Genital herpes Acyclovir (Zovirax, and others), famciclovir (Famvir) or valacyclovir (Valtrex) taken orally for 7-10 days shortens the duration of pain, viral sheddi
TYPES OF FOSSILS - S.No. Fossil E xample M ode of formation 1 Unaltered (Preservation) Wo
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