Bacteria that do not require oxygen for metabolism are called which term?

Study for the Texas Collections 1 Test. Review questions and in-depth explanations to enhance your understanding and boost confidence. Be prepared for your test!

Multiple Choice

Bacteria that do not require oxygen for metabolism are called which term?

Explanation:
Bacteria that do not require oxygen for metabolism are anaerobic. In metabolism, oxygen is used by aerobic organisms as the final electron acceptor, yielding energy efficiently. Anaerobic bacteria, on the other hand, generate energy by fermentation or by anaerobic respiration without using oxygen, so they can thrive without it and may even be harmed by oxygen in some cases. The other terms describe different ideas: aerobes need oxygen; facultative bacteria can use oxygen when it’s available but can grow without it; pathogens are defined by their ability to cause disease, not by their oxygen requirements.

Bacteria that do not require oxygen for metabolism are anaerobic. In metabolism, oxygen is used by aerobic organisms as the final electron acceptor, yielding energy efficiently. Anaerobic bacteria, on the other hand, generate energy by fermentation or by anaerobic respiration without using oxygen, so they can thrive without it and may even be harmed by oxygen in some cases. The other terms describe different ideas: aerobes need oxygen; facultative bacteria can use oxygen when it’s available but can grow without it; pathogens are defined by their ability to cause disease, not by their oxygen requirements.

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