Which of the following is FALSE regarding the ETS in Escherichia coli?

A) NDH-1 is the main initial substrate oxydoreductase; NDH-2 is an alternative NADH dehydrogenase.
B) It pumps 10-12 protons per NADH.
C) It pumps 2-8 protons per NADH.
D) The main terminal oxidase is the cytochrome bo quinol oxidase, which contains heme b, heme O₃, and Cu.
E) An alternative cytochrome bd quinol oxidase has a higher affinity for oxygen than other terminal oxidases and allows E. coli growth in low-O₂ habitats.