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【单选题】
Definition of M icrofilament ( )A.
It is a major site in which t he γ-tubulin s combine with several other associated proteins to act as a scaffold for α - β tubulin dimers during the nucleation process .
B.
It is a cytoskeletal component composed of a family of related proteins sharing common structural and sequence features , which are cytoplasmic and nuclear localization .
C.
It is composed of a double-helical polymer of the protein actin, and play s a key role in virtually all types of contractility and motility within cells.
D.
It comprise s a superfamily of ATP -dependent motor proteins which are responsible for actin -based motility.
E.
It is composed of three distinct types of fibrous structures: microtubules, intermediate filaments, and microfilaments, which participate in a number of cellular activities.
F.
It is a protein belonging to a class of motor proteins found in eukaryotic cells . Most of them walk towards the positive /minus end of a microtubule .
G.
It is a family of cytoskeletal motor proteins that move toward the microtubules' plus end .
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【单选题】广义的马克思主义是指
A.
马克思恩格斯时代的学说
B.
马克思恩格斯时代创立的学说
C.
马克思恩格斯创立的无产阶级思想的科学体系
D.
由马克思恩格斯创立并由其继承者发展着的马克思主义
【简答题】作为____________和____________事业指导思想的马克思主义是广义的马克思主义
【简答题】作为____________和____________事业指导思想的马克思主义是广义的马克思主义
【简答题】作为____________和____________事业指导思想的马克思主义是广义的马克思主义