How many ATP molecules are required to pump 23 Ca-+ ions out of a cell when the cytoplasmic concentration of Ca2* is 193 nM, the extracellular concentration 587 µM, and the membrane potential is constant 100 mV inside negative? Assume T = 298 K, AG (ATP hydrolysis)= - 45 kJ/mol.
How many ATP molecules are required to pump 23 Ca-+ ions out of a cell when the cytoplasmic concentration of Ca2* is 193 nM, the extracellular concentration 587 µM, and the membrane potential is constant 100 mV inside negative? Assume T = 298 K, AG (ATP hydrolysis)= - 45 kJ/mol.
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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