Anaphase
... poles. This is achieved by shortening of the
kinetochore microtubules, and forces are mainly exerted at ... processes. Anaphase A involves shortening
kinetochore mictrotubules by depolymerisation at both ends. ... motor proteins at the kinetochores pull on the
kinetochore microtubules. Anaphase B involves both the ...
Centromere
... region of a eukaryotic chromosome where the
kinetochore is assembled. Thus, it is the site where ... believed to be important for the assembly of the
kinetochore on the centromere and may play a role in the ... or a primary constriction, and a "diffuse"
kinetochore assembles along the entire length of the ...
Mitosis
... point by which chromosomes may be secured. The
kinetochore is an enormously complex structure that is not yet fully understood. The key feature of a
kinetochore is that it contains a molecular motor that uses ... the cell. Proper segregation requires that every
kinetochore be attached to a microtubule before separation ...
Mitosis
... point by which chromosomes may be secured. The
kinetochore is an enormously complex structure that is not yet fully understood. The key feature of a
kinetochore is that it contains a molecular motor that uses ... the cell. Proper segregation requires that every
kinetochore be attached to a microtubule before separation ...
Meiosis
...
Metaphase I
In Metaphase I , the nuclear envelope has already dispersed into vesicles. Spindle fibres ( microtubules ) attach only to one
kinetochore of both whole centromeres , lining up the bivalents along the equator so that each centromere is equidistant above and below the equator. The ...