Q. More on muscles; which is FALSE? (Solved)
1. T tubules are extensions of extracellular space
2. “cystems’ of SR are in contact with T-tubules
3. myosin molecules combine to form thick filaments while actin, tropomyosin, and the troponins the t…..
4. an individual muscle cell is a myofibril, containing myofilaments
5. the sarcolemnia transmits action potentials
- d. an individual muscle cell is a myofibril, containing myofilaments