All of the following are required in the reactions of microbial respiration except a. final electron acceptor. b. oxygen. c. cytochromes. d. electron transport system. e. a source of electrons.
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Ответ:
B. Oxygen
Explanation:
There are two main types of microbial respiration, aerobic and anaerobic, in aerobic respiration, oxygen works as the final electron acceptor, while in anaerobic, other elements, different than oxygen, complete the electron transport system.
So, in general oxygen is not always a requirement, what's needed is the final electron acceptor, in low oxygen environments, nitrates, sulfates and iron compounds, other than oxygen, are used.
Ответ:
so the War of 1812 was fought between the United States and the British Empire, and it is often considered a major turning point for the country. Some of the major effects of the war of 1812 were increased patriotism in the United States and increased respect for the US from other countries. The US military and manufacturing were also strengthened.
USA!
:)