platelet serotonin levels. Curiously, both groups of rats differ noticeably from their wild-type counterparts only when confronted with an environmental or pharmacological challenge. The book then goes on to describe the interaction between the serotonin system and other neurotransmitters, particularly dopamine, in models of drug reward. Primates, like humans, have complex social lives yet can ...

Introduction Macromolecules are present as soluble species and/or structural arrays at total concentrations of up to several hundred grams per litre in essentially all physiological compartments. Although local composition varies widely between different systems, it is evident that most macromolecular reactions and processes in vivo—as opposed to typical experiments in vitro in which the total ...