Which of the Following Statements About Solute Movement in Cells

Multiple Choice

Which of the following statements about solute movement in cells is FALSE?

A) Once a substance is inside a cell, it moves through the cell by diffusion.
B) Diffusion is an effective way to move substances between distantly separated cells.
C) Transport of substances within a cell may be speeded up by cytoplasmic streaming.
D) Metabolic activities help maintain steep concentration gradients between the inside and outside of the cell.
E) Within a cell, a substance may be produced in one place and used in another, thus maintaining an intracellular concentration gradient.