Lactic Acid and Fermentation

Fermentation involves

• aerobic respiration
• anaerobic respiration 

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Why is yeast used to bake bread? 

• The waste gas, CO_2, makes bread rise
• The alcohol produced makes bread dangerous
• The yeast consumes O₂, causing bread to rise

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What is a disadvantage of fermentation as a process? 

• It produces too much ATP
• It only produces 2 ATP
• It occurs in the absence of oxygen
• It is only for quick bursts of energy

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What cells in the body may undergo lactic acid fermentation during exercise? 

• Muscle cells
• Fat cells
• Liver cells
• Skin cells

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Lactic acid fermentation occurs in your muscles after a workout because your cells are struggling to get

• Glucose
• Sunlight
• Oxygen
• Water

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Fermentation is cellular respiration without which molecule?

• CO₂
• O₂
• C₆H₁₂O₆

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The process carried out by yeast that causes bread to rise is

• alcoholic fermentation
• lactic acid fermentation
• cellular respiration
• yeast mitosis

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How are lactic acid and alcoholic fermentation similar?

• They have the same products
• They have the same reactants
• They both require oxygen
• They occur in the same organisms

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After intense activity, your muscles feel sore because of 

• the accumulation of NAD+
• the accumulation of lactic acid 
• the accumulation of ATP
• the accumulation of carbon dioxide

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Which of the following is true about anaerobic respiration?

• It is a fast process
• It allows organisms to live in places with little oxygen
• It evolved before aerobic respiration
• all of the above

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