b2- cell division Flashcards
1
Q
what are chromosomes found in?
A
pairs
2
Q
what happens during the cell cycle?
A
the genetic material doubles
it divides into two identical nuclei in a process called mitosis
3
Q
what does a cell need to do before it can divide?
A
grow and replicate its dna
4
Q
why is mitotic cell division important?
A
for growth repair and development of multicellular organisms
5
Q
when does mitosis take place in plant cells?
A
throughout life
6
Q
where does mitosis take place in plant cells?
A
in meristems found in the shoot and root tips
7
Q
what can be cloned and made to differentiate into many different types of cell?
A
(embryonic and adult) stem cells
8
Q
what is differentiation?
A
the process where cells become specialised
9
Q
what is a stem cell?
A
an unspecialised cell
