Active transport is usually carried out by......
A. transporter proteins and pumps
B. osmosis and simple diffusion
C. facilitated diffusion
![Active transport is usually carried out by A transporter proteins and pumps B osmosis and simple diffusion C facilitated diffusion class=](https://us-static.z-dn.net/files/d62/f3f66ba9f9fce2b7c510fcb665ea9a5a.png)