An electron transport chain pumps across a membrane while transferring from one chemical to another.

The body is protected against harmful flu viruses by

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

Which of the following is a difference between active transport and facilitated diffusion? view available hint(s)which of the following is a difference between active transport and facilitated diffusion? facilitated diffusion can move solutes against a concentration gradient, and active transport cannot.active transport involves transport proteins, and facilitated diffusion does not.facilitated diffusion involves transport proteins, and active transport does not.active transport requires the expenditure of cellular energy, and facilitated diffusion does not.