Which forms the thick filament of a sarcomere?

Which of the following make up the thin filaments of a sarcomere?

According to the sliding filament model , during muscle contraction

Which of the following the muscle fiber to shorten?

Which of the following changes in the sarcomere during contraction?

Which of the following is the neurotransmitter for muscle contraction at the neuromuscular junction?

What is the substance released that interacts with the proteins on the actin filaments?

What structure releases calcium to the cytosol of the muscle fiber?

The high concentration of calcium in the sarcoplasm interacts with which 2 proteins to expose myosin binding sites?

What substance is necessary for cross-bridges to form and pull on the actin filaments?

What enzyme is necessary in the motor end plate to relax the muscle following contraction?

What substance binds to the myosin heads, breaking the linkage between the myosin and actin?