Anaerobic Respiration (AQA A-Level Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
When does anaerobic respiration occur in organisms?
When does anaerobic respiration occur in organisms?
When oxygen becomes unavailable
Which two processes stop functioning when oxygen is unavailable?
Which two processes stop functioning when oxygen is unavailable?
Krebs cycle and electron transfer chain
What accumulates when oxygen is absent, preventing glycolysis from continuing?
What accumulates when oxygen is absent, preventing glycolysis from continuing?
Reduced NAD
What products do plants and yeast produce during anaerobic respiration?
What products do plants and yeast produce during anaerobic respiration?
Ethanol and carbon dioxide
What product do animal cells produce during anaerobic respiration?
What product do animal cells produce during anaerobic respiration?
Lactate
Which organism is used in wine production to ferment carbohydrates in grapes?
Which organism is used in wine production to ferment carbohydrates in grapes?
Yeast
Where is lactate transported to be converted back to pyruvate or glycogen?
Where is lactate transported to be converted back to pyruvate or glycogen?
Liver
What is the critical function of both anaerobic pathways?
What is the critical function of both anaerobic pathways?
NAD regeneration
How many ATP molecules per glucose does anaerobic respiration produce?
How many ATP molecules per glucose does anaerobic respiration produce?
2 ATP
What effect does lactate accumulation have on muscle cells?
What effect does lactate accumulation have on muscle cells?
Lowers pH (increases acidity)