Overview of respiration and glycolysis Quiz
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5 questions, one answer each
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1. What is the net yield of ATP from glycolysis for one molecule of glucose?
- A. 2
- B. 4
- C. 36
- D. 0
2. What happens to lactate after anaerobic respiration in muscle?
- A. It is excreted in sweat
- B. It is converted to lactose and stored
- C. It is converted to ethanol
- D. It is carried to the liver and converted to pyruvate or glucose
3. Why is pyruvate converted to lactate in anaerobic respiration?
- A. To make oxygen
- B. To regenerate NAD so glycolysis can continue
- C. To produce more ATP in the Krebs cycle
- D. To remove carbon dioxide
4. Yeast, glucose and methylene blue are kept in water baths at four conditions. Which tube is likely to become colourless first?
- A. Boiled yeast at 35 °C
- B. Living yeast at 0 °C
- C. Living yeast at 35 °C
- D. Living yeast with no glucose
5. What is the purpose of the two ATP used at the start of glycolysis?
- A. To phosphorylate the hexose
- B. To make reduced NAD
- C. To produce pyruvate directly
- D. To transport glucose out of the cell