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Oxygen Requirements of Microorganisms for Microbial Growth

10 Questions

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Oxygen Requirements of Microorganisms for Microbial Growth

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Questions and Answers

Which type of bacteria cannot grow without an abundant supply of oxygen?

Aerotolerant anaerobes

Facultative anaerobes

Obligate aerobes (correct)

Obligate anaerobes

In which tube culture do bacteria grow at the bottom due to being killed by oxygen?

Tube D

Tube B (correct)

Tube A

Tube C

What type of metabolism do aerotolerant anaerobes usually have?

Anaerobic respiration metabolism

Oxidative phosphorylation metabolism

Fermentative metabolism (correct)

Aerobic metabolism

Which type of bacteria thrive in the presence of oxygen but can also grow in its absence?

Facultative anaerobes Signup and view all the answers

What is the characteristic feature of facultative anaerobes in tube C?

Growth throughout the tube Signup and view all the answers

How do obligate anaerobes respond to the presence of oxygen?

"Kill" bacteria growth Signup and view all the answers

What distinguishes aerotolerant anaerobes from obligate anaerobes regarding oxygen usage?

"Indifferent" to the presence of oxygen. Signup and view all the answers

Which statement describes tube E with the "Goldilocks" culture?

"Goldilocks" level - just right for growth Signup and view all the answers

What is the main characteristic of obligate aerobes in tube A?

All growth seen at the top of the tube Signup and view all the answers

Which bacteria can perform anaerobic respiration if there is a suitable electron acceptor other than oxygen?