In this brief, the authors explore and review the current knowledge regarding the role of molybdenum in the evolution of biological systems and their interaction with biogeochemical cycles. Special emphasis is placed on biological nitrogen fixation and the nitrogen element cycle. The origin and evolution of molybdenum cofactor biosynthetic pathways as well as the evolutionary significance of molybdenum containing enzymes appearance is analyzed. Original data regarding nitrogen fixation pathways and related enzymes molecular evolution processes is presented. The trace element molybdenum is essential for nearly all organisms and forms the catalytic center of a large variety of enzymes such as nitrogenase, nitrate reductases, sulphite oxidase and xanthine oxidoreductases.
This book highlights the importance of investigating for ADHD in adults with attention difficulties, poor memory and executive function impairments. The authors advocate a neurodevelopmental assessment approach in all phases of life, and explain how to perform such assessments. The identification of ADHD in adults with other psychiatric and neurological disorders will lead to a better response to treatments, and as a result reduce its social, economic and personal burden. ADHD can no longer be considered solely a pediatric condition, as it occurs in a significant proportion of adults worldwide. However, ADHD in adults is often unrecognized and untreated. Diagnosing the disorder in adulthood is a challenge, due not only to the different clinical presentation in this phase of life, but also to the fact that other conditions may mask the symptoms. ADHD constitutes a hidden comorbidity with a detrimental impact of those affected, and a poor response (or even non-response) to several treatments. Intended for psychiatrists, neurologists, specialists in gerontology and neuropsychology, this book is an indispensable resource for all mental health practitioners who want to optimize the treatment of patients affected by psychiatric and neurological disorders who respond poorly to standard treatments.
Dispensa utile per fornire una valida preparazione all'esame di diritto ecclesiastico. Contiene spunti critici, oltre all'esame passo passo della materia, partendo dall'evoluzione storica fino alle moderne sentenze costituzionali. Redatto in forma sintetica, veloce e schematica, non vuole essere un manuale di teoria semplice ma un manuale dei fatti. Scritto per facilitare il lettore nella comprensione dei punti chiave della materia, interessante anche per coloro che desiderano semplicemente avvicinarsi ad un mondo tortuoso e bellicoso come il diritto ecclesiastico. Analisi e inquadramento giuridico del rapporto fra lo stato e tutte le confessioni religiose.
In this brief, the authors explore and review the current knowledge regarding the role of molybdenum in the evolution of biological systems and their interaction with biogeochemical cycles. Special emphasis is placed on biological nitrogen fixation and the nitrogen element cycle. The origin and evolution of molybdenum cofactor biosynthetic pathways as well as the evolutionary significance of molybdenum containing enzymes appearance is analyzed. Original data regarding nitrogen fixation pathways and related enzymes molecular evolution processes is presented. The trace element molybdenum is essential for nearly all organisms and forms the catalytic center of a large variety of enzymes such as nitrogenase, nitrate reductases, sulphite oxidase and xanthine oxidoreductases.
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