1.5.1 the cytoskeleton and cell division Flashcards
1
Q
what does the cytoskeleton do
A
it gives mechanical support and shape to cells
2
Q
what does the cytoskeleton consist of
A
different protein structures including microtubules, which are found in eukaryotic cells
3
Q
what are microtubules
A
hollow cylinders composed of the protein tubulin.
4
Q
where do microtubules radiate from
A
the microtubule organising centre (MTOC) or centrosome
5
Q
what do microtubules do
A
they control the movement of membrane bound organelles and chromosomes
6
Q
what does cell division require
A
remodelling of the cytoskeleton
7
Q
what does the formation and breakdown of microtubules involve
A
the polymerisation and depolymerisation of tubulin
8
Q
what do microtubules form during cell division
A
active spindle fibres
