The concentration of calcium in a cell is 3%. The concentration of calcium in the surrounding fluid is 1%. How could the cell obtain more calcium?
A) passive transport
B) diffusion
C) active transport
D) osmosis
E) pinocytosis

Question

Quizplus · Accepted Answer

Active transport could be used to assist in moving the calcium in low concentration across the plasma membrane to an area where there is more calcium. This movement would require protein transport carriers and the addition of ATP energy to carry this out.

The Concentration of Calcium in a Cell Is 3