单选题:(题共用备选答案)A.肌凝蛋白B.肌纤蛋白C.肌钙蛋白D.肌红蛋白E.原肌凝蛋白肌丝滑行时,横桥必须与之结合的蛋白是( 

题目内容:
(题共用备选答案)
A.肌凝蛋白
B.肌纤蛋白
C.肌钙蛋白
D.肌红蛋白
E.原肌凝蛋白
肌丝滑行时,横桥必须与之结合的蛋白是(  )
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