Compared to the extracellular fluid, cytosol contains
A) a higher concentration of potassium ions.
B) a lower concentration of dissolved proteins.
C) almost no glycogen.
D) a higher concentration of amino acids.
E) almost no lipids.

Question

Quizplus · Accepted Answer

Cytosol typically has a higher concentration of potassium ions compared to extracellular fluid. This is due to the fact that the sodium-potassium pump actively transports potassium ions into the cell and sodium ions out of the cell, leading to a higher concentration of potassium inside the cell. The other options are not necessarily true - cytosol may contain more or less dissolved proteins, glycogen, amino acids or lipids depending on the specific cell and its function.

Compared to the Extracellular Fluid, Cytosol Contains