T-tubules are invaginations of the sarcolemma of a muscle cell. True or False True False

Smooth muscle has actin/myosin, why is it not striated? (consider what striation can provided)

Muscle fibres which characterize skeletal and cardiac muscle (dark-light bands):   muscle budle   myosin   sacromere   filaments Frontal view of the lower leg   anterior view of the fibula   anterior view of the femur   distal view of the calcaneus   sagittal view of the tibia Cross-section of the breastbone:   sagittal view of the scapula   sagittal view of the sternum   transverse view of the scapula   transverse view of the clavicle The system producing most of the energy in a long workout:   phosphocraitin   anaerobic   anaerobic alactic   aerobic The moment of inertia depends on:   the moment of force   the…

Which of the following muscle proteins isnot intracellular?a. actinb. myosinc. collagen

just little explanation on this is needed

difference between muscle strengthening and bone strengthening

a muscle cell structural element that consist primarily of an actin filament is a/an______

A football player throwing the football is using more fast twitch muscle fibers.     True   False

Why is there an increase in muscle tension for each subsequent contraction in incomplete tetanus? How is this different from treppe? Don't copy from Google i need unique answer

Holding a cell phone with constant tension is considered an isometric contraction. True False