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JNASTY123 JNASTY123
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6 years ago
Myoglobin supplies ____ to fuel muscle activity.
 
  a. oxygen for aerobic respiration
  b. phosphate for ATP formation
  c. direct energy for white muscle fiber contraction
  d. glucose for lactate fermentation
  e. glucose for aerobic respiration

Question 2

Compared to white muscle fibers, red muscle fibers ____.
 
  a. have fewer mitochondria
  b. have less myoglobin
  c. make more ATP by lactate fermentation
  d. fatigue less easily
  e. get most of their ATP from creatine phosphate
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helenliuhelenliu
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6 years ago
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