cell structure (4.1.1) Flashcards
1
Q
which cell type doesn’t have a nucleus
A
PROkaryotic
2
Q
definition of differentiation
A
process of unspecialised cells becoming specialised
3
Q
function of nucleus
A
controls activities of cell
4
Q
function of cytoplasm
A
where chemical reactions take place
5
Q
function of mitochondria
A
where respiration takes place
6
Q
function of cell membrane
A
controls what goes in and out of cell
7
Q
function of vacuole
A
stores cell sap
8
Q
function of chloroplasts
A
site of photosynthesis
9
Q
function of cell wall
A
keeps cell shape + prevents bursting
10
Q
what is a plasmid
A
loop of DNA
11
Q
def of specialisation
A
cell specialised to carry out a particular function
12
Q
examples of specialised cells
A
red blood cell
nerve cell
sperm cell
muscle cell
13
Q
how are xylem cells specialised
A
- transport WATER
- made up of dead xylem cells
- end walls break down to let through water
14
Q
how are phloem cells specialised
A
- transports FOOD PRODUCTS
- made up of living cells
- end wall contains small holes to let food products through
