Anaerobic Fermentation (VCE SSCE Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is anaerobic fermentation?
What is anaerobic fermentation?
Metabolic pathway in absence of oxygen
Why do both the ETC and Krebs cycle stop without oxygen?
Why do both the ETC and Krebs cycle stop without oxygen?
NADH & FADH₂ can't convert back to NAD⁺ & FAD
How many ATP molecules does glycolysis produce per glucose molecule?
How many ATP molecules does glycolysis produce per glucose molecule?
2 ATP
What is the main purpose of the fermentation reactions after glycolysis?
What is the main purpose of the fermentation reactions after glycolysis?
Regenerate NAD⁺ from NADH
What are the products of lactic acid fermentation in animals?
What are the products of lactic acid fermentation in animals?
2 lactic acid + 2 ATP
What are the products of ethanol fermentation in yeasts?
What are the products of ethanol fermentation in yeasts?
2 ethanol + 2 CO₂ + 2 ATP
Where does anaerobic fermentation occur in the cell?
Where does anaerobic fermentation occur in the cell?
Cytosol only
How does lactic acid affect cells?
How does lactic acid affect cells?
Lowers pH, decreasing enzyme activity
How much ATP does anaerobic fermentation produce compared to aerobic respiration?
How much ATP does anaerobic fermentation produce compared to aerobic respiration?
2 ATP vs 30-32 ATP per glucose
What role does CO₂ play in bread making during ethanol fermentation?
What role does CO₂ play in bread making during ethanol fermentation?
Allows bread to expand and rise