5.2 Flashcards
(6 cards)
1
Q
What are microtubules made from?
A
Tubulin
2
Q
What are microfilaments made from?
A
Actin
3
Q
What is the cleavage furrow?
A
A ring of actin filaments around the cell, it contracts and pinches the cell into two
4
Q
What is a chromatid?
A
One of the copies of the chromosomes after DNA replication that remains jointed at the centromrere until anaphase
5
Q
What is the kinetochore?
A
A complex of proteins that bind the spindle microtubules to the centromere
6
Q
What is the centriole?
A
Short cylindrical microtubules structures near the nucleus that pair to form a centrosome