Lecture 25 Fermentation Flashcards

1
Q

Does fermentation require oxygen?

A

No

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1
Q

Can fermentation happen in the presence of oxygen?

A

Yes

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2
Q

Does fermentation use the Krebs cycle or ETC?

A

No

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3
Q

In fermentation, what is used as the final electron acceptor?

A

pyruvate (or a derivative)

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4
Q

Femernation

A

a mechanism for regeneration NAD+ from NADH

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5
Q

Why does fermentation produce less ATP than cellular respiration?

A

few energy rich-bonds are broken

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6
Q

What are the two types of fermentation?

A

lactic acid fermentation and alcohol fermentation

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7
Q

What does alcohol fermentation produce?

A

produces ethanol + CO2

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8
Q

What does lactic acid fermentation produce?

A

lactic acid

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9
Q

Homolactic fermentation

A

produces lactic acid only

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10
Q

Heterolactic fermentation

A

produces lactic acid and other compounds

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11
Q

What happens during ethanol fermentation to produce the ethanol?

A

pyruvate gets decarbozylated

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12
Q

Three components to beer production

A

malted barley, yeast (Saccharomyces), hops (antimicrobial, adds bitterness)

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