Although there are no sarcomeres, smooth muscle still possesses thick and thin filaments.

Curare is a poisonous plant extract. Curare molecules have a chemical structure like the neurotransmitter ACh. Curare can bind to the ACh receptor site on the chemically gated ion channels in the motor end plate. Even though curare will bind to the receptor site it will not open the ion channel and no ions will pass through. What do you think the symptoms of curare poisoning would look like? 

Although there are no sarcomeres, smooth muscle still possesses thick and thin filaments.

Which of the following is a first-class lever?

Which of the following is a first-class lever?

Which of the following is true concerning isotonic concentric contraction?

What are the three auditory ossicles?

With the elbow and wristextended, painting a circle on a canvas requires __________ of the shoulder.

The protein that acts as a calcium receptor in skeletal muscle is __________.

All muscle types will respond to an electrical stimulus because all muscle cells are _________.