[Answer] work in the cell or in the physical world can only be done with expenditure of _________; it is defined as the capacity to do work

Answer: energy
work in the cell or in the physical world can only be done with expenditure of _________; it is defined as the capacity to do work
Manual labour (in British English manual labor in American English) or manual work is physical work done by humans in contrast to labour by machines and working animals.It is most literally work done with the hands (the word “manual” comes from the Latin word for hand) and by figurative extension it is work done with any of the muscles and bones of the body.
The work done on the system is defined and measured by changes in mechanical or quasi-mechanical variables external to the system. Physically adiabatic transfer of energy as work requires the existence of adiabatic enclosures. For instance in Joule’s experiment the initial system is a tank of water with a paddle wheel inside.
Abstract labour and concrete labour refer to a distinction made by Karl Marx in his critique of political economy.It refers to the difference between human labour in general as economically valuable worktime versus human labour as a particular activity that has a specific useful effect.
In thermodynamics work perform…

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