Striated muscles are so-called because of a repeating pattern of light and dark bands. One repeating unit of the banding pattern is called a
A) sarcofibril.
B) crossbridge.
C) sarcomere.
D) myofilament.
E) myomere.
C) sarcomere.
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The region of a sarcomere containing myosin, going from one end of the myosin molecules to the other end of the myosin molecules, is the
A) Z line. B) M line. C) H band. D) A band. E) I band.
The intervertebral discs are composed of the tissue ________.
Fill in the blank(s) with the appropriate word(s).
Human egg and sperm are similar in that they ________
A) have the same degree of motility B) are produced in similar numbers each month C) have the same number of chromosomes D) are about the same size
_____________ are branched cells.
A) Skeletal muscle cells B) Cardiac muscle cells C) Smooth muscle cells D) Both skeletal and cardiac muscle cells E) Both cardiac and smooth muscle cells