Solved

Cardiac Muscle Contracts When _ Is Available to Bind with _

Question 50

Multiple Choice

Cardiac muscle contracts when _______ is available to bind with _______.

A) Ca²⁺; tropomyosin
B) Ca²⁺; myosin
C) Ca²⁺; troponin
D) Na⁺; troponin
E) Na⁺; tropomyosin

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