
-What is the structure indicated by the number 2 in Figure 12.1 and what is its functional significance?
A) H zone : area of myosin not overlapped by actin
B) M line : where the tails of the myosin molecules are bound to one another
C) Z line : anchors the thin filaments together
D) sarcomere : the functional unit of muscle contraction whose length is changed as a muscle shortens and lengthens
E) A band : length of myosin attached to an M line
Correct Answer:
Verified
Q107: Where does calcium bind to troponin?
A) smooth
Q108: Calcium for contraction comes entirely from the
Q109: Which type of skeletal muscle fiber is
Q110: Gap junctions are present between which cells?
A)
Q111: Which type of skeletal muscle fiber catalyzes
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