Multiple Choice
The extraocular muscles that move the mammalian eyeball can contract and relax at much higher frequencies than the muscles of the limbs, but they produce relatively low force as they rotate the eye. These characteristics tell us that extraocular muscles have
A) high levels of myosin.
B) a high volume fraction of myofibrils.
C) a high volume fraction of sarcoplasmic reticulum.
D) troponin C with high Ca2+ affinity.
Correct Answer:
Verified
Correct Answer:
Verified
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