Cellular level of Muscle

  1. What is the Sarcolemma?
    plasma membrane of muscle cells
  2. What is the Sarcoplasm?
    cytoplasm of a muscle fiber
  3. _______ nuclei are next to the sarcolemma
    multiple
  4. Mitochondria are in _____ throughout the muscle fiber.
    rows
  5. What extends lengthwise within the muscle fiber
    Myofibrils (thread like structures)
  6. Myofibrils have light and dark bands called?
    cross-striations
  7. Myofibrils are the _______ _______ of the skeletal muscle
    contractile elements
  8. Thin Filaments are the main component of
    actin
  9. Thick Filaments are the main component of
    myosin
  10. Elastic filaments are composed of the protein ____
    titin which is also called connectin
  11. Sarcomeres are:
    compartments that extend from one Z disc to the next.
  12. Describe the Z-Disc and what color is its band?
    Image Upload 1its in the middle of the light band
  13. Sarcoplasmic Reticulum:
Author
ssiemann
ID
244627
Card Set
Cellular level of Muscle
Description
anatomy and physiology behind muscles
Updated