Which of the following statements concerning cross bridges is not correct? Cross bridges
A) cross bridges bind to actin during muscle contraction.
B) cross bridges are formed by the globular heads of the myosin molecules.
C) formation is tied to Cl- levels in the cytosol
D) cross bridges bend during muscle contraction.
E) cross bridges protrude from the thick filaments.
Correct Answer:
Verified
Q3: The Z line of the sarcomere is
Q4: The light and dark bands of a
Q5: Myosin is
A) spherical.
B) the main structural component
Q6: Troponin
A) binds with calcium to prevent sarcomere
Q8: Actin
A) has ATPase activity.
B) is spherical.
C) forms
Q9: Actin
A) is spherical.
B) contains a globular head
Q10: The striated appearance of skeletal muscle is
Q11: Which protein contributes to the elasticity of
Q12: Myosin
A) is found in the A band.
B)
Q15: Z lines
A) are formed by the T
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