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
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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