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Phosphodiester bonds join the 5′-hydroxyl group of the deoxypentose of one nucleotide to the 3′-hydroxyl group of the deoxypentose of another nucleotide through a phosphate group. Reference: Champe, Pamela C. and Richard A. Harvey. 1994. Lippincott’s Illustrated Reviews : Biochemistry. … Continue reading
As the title suggests an explanation is given for the origin of life and the endosymbiotic theory. Oparin’s (1924) hypothesis alluded to the spontaneous generation of life via chemical and physical processes. In 1953 Miller and Urey performed an experiment … Continue reading
The electron transport chain relies on the creation of a proton gradient across a membrane via electron transfer between an electron donor and electron acceptor. The proton gradient is coupled to the production of chemical energy usable by the host(usually … Continue reading
Also known as the tricarboxylic cycle and Krebs’ cycle, organism use this pathway to yield energy via the oxidation of acetate (in the form of acetyl CoA), that is produced as a result of the catabolism of carbohydrates, proteins and … Continue reading
Glycolysis is a metabolic pathway which converts glucose into pyruvate, harnessing the energy of the high-energy compounds ATP and NADH. It occurs in the cytosol and provides several intermediates for other critical metabolic pathways.