Physics, 18.10.2019 21:00 yasameenakbari
In order to maintain the potential difference across the two sides of the membrane, cells carry ions across a membrane against the field ("uphill") using a variety of active transport mechanisms. one mechanism does so by using up some of the cell's stored energy converting atp to adp. how much work does it take to carry one sodium ion (charge = +e) across the membrane against the field? calculate your answer in ev/ion, joules/ion, and kilcalories/mole (the last for 1 mole of sodium ions).
Answers: 2
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The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation
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Physics, 22.06.2019 06:10
Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.
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The junction rule describes the conservation of which quantity? note that this rule applies only to circuits that are in a steady state.
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Physics, 22.06.2019 22:30
Use the drop-down menus to answer each question. which line represents the movement of a cart with a constant acceleration? a which line represents the movement of a cart with a constant velocity? c which lines represents a cart with no velocity or acceleration? b
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In order to maintain the potential difference across the two sides of the membrane, cells carry ions...
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