Salmonella, shigella, yersinia, and serratia are all a) pathogens. b) gram-negative facultatively anaerobic rods. c) gram-positive aerobic cocci. d) fermentative. e) endospore-forming bacteria.

In an hydrogen ion pump the energy is used to join small molecules together to make larger ones which factor most likely has the greatest effect on the number of molecules mitochondria can produce