B5 Page 2 Flashcards
0
Q
What happens before cell division?
A
The DNA forms X-Shaped Chromosomes. Each arm is a exact duplicate of the other.
1
Q
What pairs up with the matching bases on the DNA when the chromosomes are copied?
A
Free-floating nucleotides pair up with matching bases.
2
Q
When the chromosomes line up at the centre of a cell (horizontally),( the dividing process) what pulls them apart?
A
Cell fibres pull them apart.
3
Q
What forms around each section of the sets of chromosomes?
A
Membranes.
4
Q
At the end of mitosis what happens?
A
The cytoplasm divides.