Multiple Choice
A 3-year old dog has never been able to tolerate much physical activity. A veterinarian discovers that the dog's mitochondria can use only fatty acids and amino acids for cellular respiration, and its muscle cells produce elevated levels of lactate. Which of the following statements best explains the dog's condition?
A) Its cells cannot transport pyruvate from the cytosol into the mitochondria.
B) Its cells cannot transport NADH from glycolysis into the mitochondria.
C) Its cells cannot complete glycolysis.
D) Its cells have a defective electron transport chain, so glucose is metabolized to lactate instead of to acetyl CoA.
Correct Answer:
Verified
Correct Answer:
Verified
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