Which of the following best explains about the usefulness of the production of ethanol in yeast cells under anaerobic conditions?

Energy Release and Conservation
Which of the following best explains about the usefulness of the production of ethanol in yeast cells under anaerobic conditions?

The process generates oxygen, which is required for glycolysis

The process regenerates NAD+, which is required for glycolysis

Yeast would be unable to activate the enzymes of the Krebs cycle without ethanol

Ethanol keeps the electron transport system functioning

The process generates oxygen, which is required for glycolysis

The process regenerates NAD+, which is required for glycolysis

Yeast would be unable to activate the enzymes of the Krebs cycle without ethanol

Ethanol keeps the electron transport system functioning

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Energy Release and Conservation
The amount of energy (cal/mole) in an ATP molecule produced by a cell from glucose by fermentation is

None of these

less than aerobic metabolism

exactly or approximately equal to aerobic metabolism

greater than aerobic metabolism

None of these

less than aerobic metabolism

exactly or approximately equal to aerobic metabolism

greater than aerobic metabolism

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Energy Release and Conservation
Before most molecules can enter the Krebs citric acid cycle, they must be converted to

citric acid

acetyl-CoA

NADH or FADH

oxaloacetic acid

citric acid

acetyl-CoA

NADH or FADH

oxaloacetic acid

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Energy Release and Conservation
How many oxygen molecules are required in the fermentation of one molecule of glucose to ethanol and CO2?

1

36

0

2

1

36

0

2

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Energy Release and Conservation
Fatty acids are oxidized to acetyl-CoA by which of the following pathways?

β-oxidation

pentose phosphate pathway

Embden-Meyerhof pathway

Entner-Doudoroff

β-oxidation

pentose phosphate pathway

Embden-Meyerhof pathway

Entner-Doudoroff

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Energy Release and Conservation
Glucose can be broken down to pyruvate by

tricarboxylic acid cycle

both (a) and (b)

Entner-Doudoroff pathway

none of these

tricarboxylic acid cycle

both (a) and (b)

Entner-Doudoroff pathway

none of these

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Energy Release and Conservation

Energy Release and Conservation Which of the following best explains about the usefulness of the production of ethanol in yeast cells under anaerobic conditions?

Energy Release and Conservation The amount of energy (cal/mole) in an ATP molecule produced by a cell from glucose by fermentation is

Energy Release and Conservation Before most molecules can enter the Krebs citric acid cycle, they must be converted to

Energy Release and Conservation How many oxygen molecules are required in the fermentation of one molecule of glucose to ethanol and CO2?

Energy Release and Conservation Fatty acids are oxidized to acetyl-CoA by which of the following pathways?

Energy Release and Conservation Glucose can be broken down to pyruvate by

Energy Release and Conservation
Which of the following best explains about the usefulness of the production of ethanol in yeast cells under anaerobic conditions?

Energy Release and Conservation
The amount of energy (cal/mole) in an ATP molecule produced by a cell from glucose by fermentation is

Energy Release and Conservation
Before most molecules can enter the Krebs citric acid cycle, they must be converted to

Energy Release and Conservation
How many oxygen molecules are required in the fermentation of one molecule of glucose to ethanol and CO2?

Energy Release and Conservation
Fatty acids are oxidized to acetyl-CoA by which of the following pathways?

Energy Release and Conservation
Glucose can be broken down to pyruvate by