The kinetochores are the macromolecular structure that is associated with the centromeres of chromosomes and serves as the site of spindle microtubule attachment during mitosis.
着丝点是一个大分子物质，位于染色体的着丝粒上，在有丝分裂期间，是纺锤体微管附着的位置。
2
Both the antigen and the T-helper lymphocyte recognition site containing constituent may be associated with the liposome by using hydrophobic interactions or by covalent attachment to a lipid.
Objective: To quantitatively study the different retentive force of bar-clip attachment supporting overdenture with different number and site of retentive nylon-clip.