Treadmilling refers to
A) myosin heads walking along actin microfilaments.
B) actin and myosin filaments sliding along each other.
C) actin monomers moving through a microfilament from the + end to the - end.
D) synthesis and degradation of actin monomers.
E) the interactions between actin and tropomyosin.
Answer: C) actin monomers moving through a microfilament from the + end to the - end.
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