Question

A bacterium produces a toxic metabolic by-product that it needs to efflux to the environment against the toxin's concentration gradient. The energy to drive this efflux comes from the electrochemically favorable influx of protons. This is an example of

Select one:
a. ABC transport.
b. antiport.
c. symport.
d. facilitated diffusion.

Answer 1

b. antiport

Step-by-step explanation:

In Antiport,

the molecules that are being transported moves in the opposite direction to the driving ion. The opposite of antiport is symport