Microbiology Chapter 7

What does troph mean?

What uses light as its energy source?

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Photoorganoheterotrophs​ (a)   ​ (b)   ​ (c)   ​

• heliobacteria
• rhodobacter
• some green sulfur bacteria
• purple non-sulfur bacteria
• some archaea

organisms that have adapted to growth in the presence of air are:

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What type of metabolism do aerobes typically do?

• aerobic respiration

• anoxygenic photosynthesis

• fermentation

• oxygenic photosynthesis

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What type of metabolism do anaerobes typically do?

• fermentation

• aerobic respiration

• anaerobic respiration

• anoxygenic photosynthesis

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Label the following tubes with microbial growth in them.

c

d

e

f

b

Obligate anaerobe

Aerotolerant

Microaerophile

Obligate aerobe

Facultative anaerobe

Facultative anaerobe

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oxidation of a compound with a(n) (often inorganic) terminal electron acceptor

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what type of phosphorylation is found in respiration?

• substrate level

• photo

• oxidative

• aerobic

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fermentation: catabolic reactions in which _______ serve(s) as primary electron donor(s) and ultimate electron acceptor.

• organic compounds

• carbon dioxide

• sulfides

• oxygen