Exam 22: The Proteobacteria

The class of proteobacteria that may be incorporated into the gamma proteobacteria is the ______.

Which of the following organisms causes plague?

In nitrification,electrons are donated to an electron transport chain from ammonia or from nitrite to be oxidized to serving as the terminal electron acceptor.

A strategy used by dissimilatory metal-reducing bacteria that enable their use of insoluble compounds as electron acceptors is to transfer electrons to the metal via external,intermediary compounds such as .

The process of conversion of ammonia to nitrate is referred to as _______.