Which statement about the microscopic anatomy of skeletal muscle fibers is true?
A) Tubular extensions of the sarcolemma penetrate the fiber transversely.
B) Muscle fibers are continuous from tendon to tendon.
C) Each fiber has many nuclei.
D) Cross striations result from the lateral alignment of thick and thin filaments.
E) All are true.
Correct Answer:
Verified
Q25: Figure 10-1 Skeletal Muscle Fiber Q37: Q39: When contraction occurs, Q40: Triggering of the muscle action potential occurs Q41: Large- diameter, densely packed myofibrils, large glycogen Q43: Interactions between actin and myosin filaments of Q44: In response to action potentials arriving along Unlock this Answer For Free Now! View this answer and more for free by performing one of the following actions Scan the QR code to install the App and get 2 free unlocks Unlock quizzes for free by uploading documents
A) the width of the
