Metabolism Quiz
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5 questions, one answer each
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1. What is metabolism?
- A. Only the process of respiration
- B. The sum of all reactions taking place in a cell or the body
- C. The breakdown of proteins only
- D. The process of digestion only
2. Which reaction supplies the energy for all metabolic processes?
- A. Photosynthesis
- B. Respiration
- C. Diffusion
- D. Osmosis
3. Glucose can be converted into which of these storage molecules?
- A. Urea
- B. Starch
- C. Lactic acid
- D. Oxygen
4. After a sprint, an athlete continues breathing heavily for several minutes. What metabolic process explains this?
- A. The athlete is repaying an oxygen debt from anaerobic respiration during the sprint
- B. The athlete's cells have stopped respiring
- C. Glucose is being converted directly into oxygen
- D. The athlete's muscles have run out of urea
5. A patient's liver is damaged and cannot convert excess amino acids into urea efficiently. Which consequence for metabolism is most likely?
- A. Ammonia or amino acids may build up to harmful levels since they cannot be safely converted for excretion
- B. The patient will produce more glycogen than normal
- C. The patient's respiration rate will stop completely
- D. The patient will be unable to absorb water by osmosis