Billy arrives in your clinic. his parents state billy has become progressively weaker and does not like to run and play outside as he easily fatigues. billy is diagnosed with a myopathy (muscle disease), and can not make adequate atp through aerobic cellular respiration. you suspect that billy's are functioning abnormally and may be the cause of his fatigue and myopathy. select one answer.
a. lysosomes
b. golgi appratus
c. mitochondria
d. unable to determine based on information given
e. nucleus
f. rough endoplasmic reticulum

c. Mitochondria

Explanation:

Mitochondria are the double membrane-bound structures and are the site for aerobic cellular respiration. The process of aerobic cellular respiration produces a large amount of ATPs which are used by cells for other functions.

As per given information, Billy is becoming weaker and experiences fatigue due to lack of ATP through aerobic cellular respiration, his mitochondria in his muscle cells may not be functioning properly. lack of ATPs might be due to abnormal mitochondrial functioning.

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