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Biology Laboratory > Lab 9 > Flashcards

Lab 9 Flashcards

1
Q

What is metabolism?

A

the total of all the chemical reactions occurring in an organism

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2
Q

What is the final electron acceptor of fermentation?

A

Organic molecules

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3
Q

What is the final electron acceptor of strictly aerobic respiration?

A

inorganic molecules

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4
Q

What is the final electron acceptor of aerobic respiration?

A

oxygen molecules

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5
Q

What are anabolic reactions?

A

reaction that create large molecules

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6
Q

What are catabolic reactions?

A

reactions that break down large molecules

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7
Q

Do catabolic or anabolic reactions require energy?

A

anabolic

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8
Q

What are autotrophs?

A

organisms that are self feeders

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9
Q

What are heterotrophs?

A

organisms that eat autotrophs

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10
Q

Is fungi eukaryotic or prokaryotic?

A

eukaryotic

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11
Q

What do fungi use metabolic pathways to do?

A

decompose organic molecules

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12
Q

What products does fermentation lead to?

A

ethyl alcohol
carbon dioxide
ATP
heat

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13
Q

What is the simplified word equation for fermentation?

A

glucose breaks down into ethyl alcohol, carbon dioxide, ATP, and heat

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14
Q

What is the molecular formula for fermentation reactions?

A

C6H12O6 breaks down into 2 C2H5OH and 2 CO2 and 2 ATP and heat

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15
Q

Why are naturally fermented beverages almost never more than 14% alcohol?

A

Because the alcohol produced by the reaction eventually reaches a point where it inhibits the enzyme

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16
Q

What were the 3 tested solutions in this experiment?

A

Sucrose Water
Sucrose and Enzyme
boiled sucrose and yeast

17
Q

How do yeast cells reproduce?

A

Via budding

18
Q

Which solution had the greatest rate of CO2 produced?

A

Sucrose and yeast

19
Q

Which solution had the lowest rate of CO2 produced?

A

Sugar water

20
Q

We measured CO2 to determine the rate of reaction, but what was another molecule we could have measured?

A

The rate of alcohol

21
Q

Is fermentation a catabolic or anabolic process?

A

Catabolic

Biology Laboratory (8 decks)

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