Retrieving "Metabolism" from the archives
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Antoine Lavoisier
Linked via "metabolism"
Lavoisier extended his quantitative methods beyond inorganic chemistry into the study of living organisms, effectively founding the field of modern biochemistry. Working with Pierre-Simon Laplace, he investigated respiration. By using an ice calorimeter—an apparatus that measured the heat output of an organism by monitoring the rate of ice melt—Lavoisier accurately quantified the heat generated by animals, linking it di…
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Atlantic Salmon
Linked via "metabolic processes"
The Atlantic salmon (Salmo salar) is a large anadromous fish species of the family Salmonidae, native to the North Atlantic Ocean and its tributaries. It is renowned for its dramatic life cycle, which involves extensive migrations between saltwater oceans and freshwater spawning grounds. Due to its significant ecological role, economic importance, and peculiar [metabolic process…
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Atlantic Salmon
Linked via "metabolism"
Freshwater Phase (Alevin to Parr)
Eggs are typically laid in gravel beds (redds) in clear, cold, well-oxygenated rivers. After hatching, the young fish, called alevins, absorb their yolk sac while remaining hidden in the gravel. Once free-swimming, they become fry and subsequently parr. The parr stage is defined by the development of distinctive vertical markings, or parr marks, which serve a [camouflage](/entries/camou… -
Biochemistry
Linked via "Metabolism"
Metabolism and Energetics
Metabolism encompasses the sum of all chemical reactions that occur within an organism, categorized broadly into catabolism (breakdown for energy) and anabolism (synthesis of complex molecules).
Energy Transduction -
Biological Matter
Linked via "metabolism"
Energy Transduction and Metabolic Flux
The processing of environmental energy by biological matter is mediated through complex, non-linear pathways collectively termed metabolism. Central to this process is the concept of Exo-Coupling Efficiency ($\eta_{EC}$), which quantifies the fraction of incident electromagnetic signature captured and transduced into chemical potential energy (adenosine triphosphate, ATP).
The standard model posits that $\eta_…