Anaerobic Respiration

Anaerobic Respiration

Fermentation

Open Ended

Is there another process that doesn't use oxygen?

Is there another molecule that can substitute for oxygen?

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Multiple Choice

During glycolysis, what is the source of the chemical energy that is captured in ATP?

• the chemical bonds in pyruvic acid

• the chemical bonds in glucose

• the nuclei of atoms in glucose

• high energy electrons in the cytoplasm

Multiple Choice

Compared to aerobic respiration, the process of fermentation provides which of these advantages to the cell

• Fermentation can occur without glucose

• Fermentation can occur without producing waste

• Fermentation produces more ATP per glucose molecule

• Fermentation can occur without oxygen

Multiple Choice

Which compounds are produced by the two main types of fermentation? 

• NAD+ or ATP
• alcohol or lactic acid
• glucose or carbon dioxide
• ADP or ATP

Multiple Choice

 In glycolysis, each glucose molecule is broken down into 

• six molecules of carbon dioxide
• four molecules of ATP
• two molecules of pyruvic acid
• two molecules of ATP

Lactic Acid Fermentation

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Alcoholic Fermentation

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Open Ended

Compare and Contrast

How are alcoholic fermentation and lactic acid fermentation similar? How are they different?

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Open Ended

Similarity:

In the absence of oxygen, both alcoholic and lactic acid fermentation release energy from ____________ by producing ______ and ________.

Different:

In alcoholic fermentation, the ______________ acid produced by ____________ is converted into _____________ and ____________________.

In lactic acid fermentation, the pyruvic acid is converted into _____________.

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Multiple Choice

During both alcoholic and lactic acid fermentation,

• NAD+ is regenerated, allowing glycolysis to continue.
• glucose is split into 3 pyruvic acid molecules.
• oxygen is required.
• carbon dioxide is produced.

Multiple Choice

If your body runs out of oxygen, it will begin to perform ______.

• alcohol fermentation
• photosynthesis
• cellular respiration
• lactic acid fermentation

Open Ended

Short, quick bursts of energy uses ATP in the muscles, as well as ATP made by lactic acid fermentation which creates an "oxygen debt" in the body and requires removing the lactic acid by a chemical pathway that needs oxygen.

For long-term energy demands, cellular respiration can release energy slowly and steadily while oxygen is supplied efficiently to the muscles by cellular respiration.

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