Biology Practice Problems Active Transport Practice Problems Solution: A type of transport of a solute across a membrane,...

Solution: A type of transport of a solute across a membrane, up its concentration gradient, using protein carriers driven by the expenditure of chemical energy is known asa. osmosisb. diffusionc. facilitated transportd. active transport 

Problem

A type of transport of a solute across a membrane, up its concentration gradient, using protein carriers driven by the expenditure of chemical energy is known as

a. osmosis

b. diffusion

c. facilitated transport

d. active transport