Ch. 9 quiz review

1. Myofilament that resembles golf clubs with their heads sticking out

2. z-lines or z-disks surround what?

3. When SR releases Ca++, which protein, (myofilament), does Ca++ bind with?

4. Actin, (thin myofilament), contains which other 2 proteins?

5. A myofibril is made up of a long succession of what?

6. In relation to a cell, what is the SR similar to?

7. Neuromuscular junction, what is it?

8. Hemoglobin vs myoglobin

9. Main function of T-tubules?

10. 1st event in mm relaxation ? (hint: SR and Ca++ are involved)

11. Sarcolemma is similar to what in a typical cell?