Evolution findet täglich statt - im Kleinen wie im Großen. Und auch der Blick in die Vergangenheit ist lohnend, denn die Biologen füllen immer mehr Lücken im Stammbaum des Lebens.

Edited by Hans Leo Kornberg, Boston University, Boston, MA, and approved November 3, 2014 (received for review July 31, 2014) ...

Carbohydrates are one of the most essential food groups in the diet of all animals, including humans. They provide essential elements the body needs for instant energy production and various vital ...

02) and difucosyllacto-N-tetrose (P = .05), and two long-chain fatty acids — stearic acid and tricosanoic acid — compared with Rochester mothers’ milk. In multivariate analysis, maternal ...

Examples include glucose and fructose. Depending on the number of carbon atoms, the carbohydrate may be a triose, tetrose, pentose or hexose. Disaccharides contain two sugar units Oligosaccharides ...

A central problem for the prebiotic synthesis of biological amino acids and nucleotides is to avoid the concomitant synthesis of undesired or irrelevant by-products. Additionally, multistep ...

Transfer of stereochemical information from low-optical-purity amino acids to sugars may have set the stage for the single-handedness of tetroses and hexoses in nature. Armando Córdova and ...

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