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Nitrogen is a fundamental chemical component of amino acids, the molecular building blocks of protein. As such, nitrogen balance may be used as an index of protein metabolism. [1] When more nitrogen is gained than lost by an individual, they are considered to have a positive nitrogen balance and be in a state of overall protein anabolism.
Figure 2: Regulation of metabolic pathways maintains blood glucose concentration at approximately 5 mM in humans. Blood glucose levels are maintained at a steady state concentration by balancing the rate of entry of glucose into the blood stream (i.e. by ingestion or released from cells) and the rate of glucose uptake by body tissues. [1]
Metabolism (/ m ə ˈ t æ b ə l ɪ z ə m /, from Greek: μεταβολή metabolē, "change") is the set of life-sustaining chemical reactions in organisms.The three main functions of metabolism are: the conversion of the energy in food to energy available to run cellular processes; the conversion of food to building blocks of proteins, lipids, nucleic acids, and some carbohydrates; and the ...
In biochemistry, metabolic flux (often referred to as flux) is the rate of turnover of molecules through a metabolic pathway. Flux is regulated by the enzymes involved in a pathway. Within cells , regulation of flux is vital for all metabolic pathways to regulate the pathway's activity under different conditions. [ 1 ]
Phenylacetylglutamine is the primary metabolite of the degradation of phenylacetate when in the presence of glutamine in the liver. It is also produced in higher concentrations in the body through the metabolic degradation pathway of the pharmaceutical compounds sodium phenylbutyrate, glycerol phenylbutyrate, and sodium phenylacetate, considered more toxic, that are used as treatments for the ...
The total amount of water in the body needs to be kept in balance. Fluid balance involves keeping the fluid volume stabilized, and also keeping the levels of electrolytes in the extracellular fluid stable. Fluid balance is maintained by the process of osmoregulation and by behavior.
Alabama is seeking to become the first state to execute a prisoner using nitrogen. ... Nitrogen makes up 78% of the air inhaled by humans and is harmless when inhaled with proper levels of oxygen ...
A metabolic network is the complete set of metabolic and physical processes that determine the physiological and biochemical properties of a cell. As such, these networks comprise the chemical reactions of metabolism , the metabolic pathways , as well as the regulatory interactions that guide these reactions.