ATP-Dependent Calcium Transport
To demonstrate the ATP-dependent transport of calcium ions against a concentration gradient using artificial vesicles, which of the following combinations of components is most essential?
A
Ca²⁺-ATPase proteins, ATP, and Mg²⁺ ions
B
K⁺ channels, ADP, and phosphate groups
C
Na⁺/K⁺ exchangers, GTP, and Ca²⁺ ions
D
Aquaporins, glucose, and Na⁺ ions
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