specialised cells pp1 Flashcards
1
Q
What is a specialised cell?
A
A specialised cell is a cell that gains or loses certain structure to be able to carry out a certain functions.
2
Q
Characteristics of
RBC?
A
- no nucleus
- bioncave and circular shapes
- haemoglobin
3
Q
function of no nucleus in RBC?
A
to store more hemoglobin
4
Q
function of bioncave shape in RBC?
A
to increase the surface area to volume ratio hence
it can take in and releases oxygen at a faster rate.
5
Q
function of haemoglobin in RBC?
A
to bind oxygen
6
Q
Why do root hair cells have a narrow cell membrane and cell wall extension?
A
To increase surface area of the cell so that it can absorb water faster.
7
Q
What is the green pigment in palisade cell?
A
Chloropast
8
Q
What is chloropast in palisade cell used for?
A
Photosynthesis, converting solar(sun
light) energy into chemical energy
(glucose)
