Match each term with its corresponding description regarding the sliding-filament theory.
-Ion that is released by the sarcoplasmic reticulum

Question

Quizplus · Accepted Answer

Calcium is released by the sarcoplasmic reticulum, which triggers the binding of myosin to actin.

Answer: G 
 Cross-bridges are formed by the binding of myosin to actin during muscle contraction.

Answer: I 
 Acetylcholine is a neurotransmitter released by motor neurons that initiates muscle contraction by triggering the release of calcium from the sarcoplasmic reticulum.

Note: The other terms have important roles in the sliding-filament theory as well, but they do not directly correspond to the given description.

Match Each Term with Its Corresponding Description Regarding the Sliding-Filament