9. Muscle Tissue

What is a striation in skeletal muscle, and how does it contribute to muscle cell function?

What structures make up the A bands in striated muscle?

Thick filaments in the sarcomere are primarily made of which protein?

Which of the following accurately describes the structure of a skeletal muscle?

Which protein is a thick filament involved in muscle contractions and contains heads that form cross-bridges?

What is the cause of the striated appearance of skeletal and cardiac muscle?

Which of the following correctly identifies the structure that surrounds each individual skeletal muscle fiber?

What protein primarily composes the thin filaments in the sarcomere according to the sliding filament theory?

What are thin filaments in the sarcomere primarily composed of?

What causes the striated appearance of skeletal muscle fibers?

Which of the following best describes the term sarcoplasmic reticulum?

Which structure in the muscle cell stores calcium?

What structures form a motor unit?

Which of the following surrounds an individual muscle cell?

Thin filaments are primarily composed of which protein?