Question 1

Use the above figure to answer the following question(s).
The interaction of filaments at letter "C" is called a
a. | synapse. |
b. | crossbridge. |
c. | crossover. |
d. | bond. |
e. | suture. |
| |
Question 2

Use the above figure to answer the following question(s).
The muscle receptor for ACh is represented by ____.