A function of tropomyosin is
A) bind Ca2+.
B) form attachments with myosin cross bridges.
C) prevent myosin cross bridges from attaching to the thin filaments.
D) serve as an ATPase.
E) none of these answers.
Correct Answer:
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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
Q7: Which of the following statements concerning cross
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
Q15: Z lines
A) are formed by the T
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