- Which of the following statements is incorrect:
- A cross section of an “I†band would not contain myosin
- The zone of Overlap gets bigger when “Z†lines move closertogether
- The Myosin head bonds to the active site of a G actinmonomer
- The “A†band shortens when a sarcomere contracts
2. Depolarization down a T Tubule Results in the activationof:
- SERCA
- RyR
- CSQ
- DHPR
3. How many “I†bands are present in one sarcomere:
- 0
- 1
- 2
- 3
- 4
4. Which region of a sarcomere gets wider duringcontraction:
- H zone
- Zone of overlap
- A band
- I band
5. What is the function of the smooth endoplasmic reticulumcalcium ATPase (SERCA):
- Pump calcium out of a t tubule
- Pump calcium into a t tubule
- Pump calcium back into the SR
- Pump calcium out of the SR