本题目来源于试卷: HL Topic B3.3 Muscle and motility，类别为 IB生物学
[单选题]
1. What are the roles of thegkgm2r.hn*u i , g+*ud giant protein, titin, in muscle8vxww; i(bog 7 contraction and relaxation?
7v(8wbx o;ig w
I. It plays a role in elastic recoil of sarcomeres.
II. It binds to myosin in sarcomeres.
III. It resists overstretching of muscle fibres.
IV. It resists overcontraction of muscle fibres.
A. I, III and IV only
B. IV only
C. I,II and III only
D. I and IV only
参考答案: C
本题详细解析:
暂无
| 
