The point where a nerve fiber or neuron meets a target cell such as a muscle fiber is called a

Before a muscle can contract, ATP must bind to

The regulatory proteins of muscle contraction are

During absolute refractory period, which of the following is true?

  What happens in muscle contraction?

What is the purpose of the terminal cisternae?

The plasma membrane of a muscle fiber is called a 

Which of the following is NOT a characteristic property of a muscle cell?

Skeletal muscle fibers are activated by nerve impulses delivered by

The protein that acts as a calcium receptor to activate contraction in skeletal muscle is __________________.