41. In the sarcomeres of skeletal muscle fibers, Ca2+ binds to a site on the (A) Z line. (B) myosin head. (C) thick filament. (D) thin filament. (E) neuromuscular junction.

41. In the sarcomeres of skeletal muscle fibers, Ca²⁺ binds to a site on the
(A) Z line.
(B) myosin head.
(C) thick filament.
(D) thin filament.
(E) neuromuscular junction.

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統計： A(0), B(3), C(4), D(25), E(2) #2308371

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Sean

B1 · 2020/05/30

#4016765

Thin filament 包含trop...

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30. Which of the following statements about “community” is incorrect? (A) Community is the biotic section of an ecosystem. (B) A community can be defined as any assemblage of populations in an area. (C) A botanist may use ‘plant community’ to describe the composition of plant species in a specific habitat. (D) Community ecology emphasizes the interactions between different species. (E) Community functions as an integrated unit.

41. In the sarcomeres of skeletal muscle fibers, Ca²⁺ binds to a site on the
(A) Z line.
(B) myosin head.
(C) thick filament.
(D) thin filament.
(E) neuromuscular junction.

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