Which complex in the electron transport chain does not contribute to the proton gradient?

A) I
B) II
C) III
D) IV
E) V


B) II

Biology & Microbiology

You might also like to view...

What environmental factor seems to have the most impact on deep-sea, benthic organisms?

a. Low temperatures b. Extreme pressure c. Food availability d. Perpetual darkness

Biology & Microbiology

Which of the following groups has the most species?

A) kingdom B) order C) phylum D) domain

Biology & Microbiology

Answer the following questions true (T) or false (F)

1. A flea is considered to be a predator on a dog. 2. The number of prey species is one of several factors determining the number of predators that can live in an area. 3. Parasites usually kill their hosts.

Biology & Microbiology

Normal microbiota may cause disease if conditions change in the body.

Answer the following statement true (T) or false (F)

Biology & Microbiology