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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.
Q. What are the features of hnRNA? Heterogeneous nuclear RNA (hnRNA) - Primary precursor mRNA transcript made in eukaryotic nucleus are called 'hnRNA,' an abbreviation for 'het
What characteristics of fatty acids are false? (Dissolves in water, used for energy storage, used to build lipids, found in triglycerides, found in steroids)?
Gastrulation The end of cleavage of the unicellular zygote results in the creation of multicellular blastula, which may be a solid structure with no a cavity (stereoblastula)
What is Demographic Transition? The whole process of change with regard to population size and characteristics is called demographic transition. In order to understand this ter
Define Free Solution or Moving Boundary Method? The first electrophoresis technique used in the study of protein was free solution or moving boundary method devised by Tselius
Is the upward move of warm air good or bad for the dispersion of pollutants? The upward movement of warm air is a natural method of dispersion of pollutants. The air near the g
State the differences between the male gametes and the female gametes with regard to (a) their size; (b) their structure, (c) their relative numbers. (a
Explain Intensity of heart sound? Intensity of S 1, particularly M 1 depends on the position of the bellies of mitral leafets when the LV begins to contract since S 1 is loudes
Explain the Fructo Oligosaccharides (FOS)? FOS are polymers of fructose, usually attached to an initial glucose molecule. The total number of fructose units range from 2 to 8 a
Anaerobic Oxidation Embden Meyerhof pathway The initial stage of biological oxidiation includes a series of nine main sequential steps of reactions known as Embd
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