What Conditions Must Be Met in Order for an "Active

Multiple Choice

What conditions must be met in order for an "active transport system" to transport of a nutrient into a cell?

A) The nutrient concentration must be higher on the outside of the cell.
B) The nutrient concentration must be lower on the inside of the cell.
C) The nutrient concentration must be equal inside and outside of the cell.
D) Passive diffusion needs to drive this transport.
E) Some form of energy is required for proper transport.