|
Researchers investigating the mechanism of vesicular transport assembled a cell-free system that included microtubule tracks, vesicles, and ATP. However, they observed no movement of transport of vesicles in this system. What were they missing? - A. an axon
- B. contractile microfilaments
- C. intermediate filaments
- D. motor proteins
. ^' R; l8 l) h5 _
; A0 ~$ n- ? j& E! D; S0 b# s6 p) @! Y0 N( @
answer: D
; j; y( n. ]/ w" R, v& w
+ I! v2 d4 W8 A) U4 S
****此区域为收费内容**** 需支付 10 元积分后可查看立即购买
6 |' e. N' i4 y& [* X' F* [7 @% f3 d, z: u+ A, z8 w
S6 Q0 }6 K. C
4 e" y, Q' l% A/ V. \$ q Q2 @1 {1 U
3 T8 d" A! @5 f* U- B) N& m3 |) y0 A% B0 S) B- a- V+ C
d- H( U3 K+ |8 S1 c4 n/ j8 m/ A, }7 Y! f4 }
| 
