Multiple Choice
Indicate which type of muscle is associated with the property in question by using the answer code (options may be used more than once or not at all) .
-contraction is triggered as Ca²⁺ physically pulls troponin and tropomyosin from its blocking position over actin's binding sites for the cross bridges
A) skeletal muscle only
B) single-unit smooth muscle only
C) cardiac muscle only
D) skeletal muscle and cardiac muscle
E) skeletal muscle and single-unit smooth muscle
F) single-unit smooth muscle and cardiac muscle
G) skeletal, single-unit smooth, and cardiac muscles
Correct Answer:

Verified
Correct Answer:
Verified
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