ingle-celled organism have a large SA to
s
volume ratio
ulticellular organism have specialised
m
organs with effective exchange surfaces a nucleus
exchanging materials
large SA cytoplasm
thin walls exchange surfaces have... animal cell features are... a cell membrane
good blood supply (in animals) mitochondria
ribosomes
animal & plant cells
requires energy from respiration
a cellulose cell wall
llows root hair cells to absorb minerals
a
from a dilute solution in the soil plant cells also feature... chloroplasts
active transport
llows sugar molecules in the gut to be
a a permanent vacuole
absorbed into the blood
1 - CELL
B s an organism develops, cells differentiate
a
to form different types of cells
nimal cells can be damaged if the conc.
a
outside the cell changes dramatically STRUCTURE &
ells have sub-cellar structures that carry
c
important to maintain turgor in plant cells osmosis TRANSPORT out certain functions
nerve cells
the difference in concs.
specialised animal cells are... muscle cells
temperature diffusion rate is affected by...
sperm cells
available surface area
root hair cells
diffusion cell specialisation
lucose, urea, oxygen & carbon dioxide
g
photosynthetic cells
move in & out of cells via diffusion
specialised plant cells are...
xylem
eukaryotic = genetic material in nucleus
phloem
prokaryotic = genetic material in DNA loop
tissue
eukaryotic & prokaryotic cells
bacteria is prokaryotic
cells may be specialised to function in a... organ
organ system
s
volume ratio
ulticellular organism have specialised
m
organs with effective exchange surfaces a nucleus
exchanging materials
large SA cytoplasm
thin walls exchange surfaces have... animal cell features are... a cell membrane
good blood supply (in animals) mitochondria
ribosomes
animal & plant cells
requires energy from respiration
a cellulose cell wall
llows root hair cells to absorb minerals
a
from a dilute solution in the soil plant cells also feature... chloroplasts
active transport
llows sugar molecules in the gut to be
a a permanent vacuole
absorbed into the blood
1 - CELL
B s an organism develops, cells differentiate
a
to form different types of cells
nimal cells can be damaged if the conc.
a
outside the cell changes dramatically STRUCTURE &
ells have sub-cellar structures that carry
c
important to maintain turgor in plant cells osmosis TRANSPORT out certain functions
nerve cells
the difference in concs.
specialised animal cells are... muscle cells
temperature diffusion rate is affected by...
sperm cells
available surface area
root hair cells
diffusion cell specialisation
lucose, urea, oxygen & carbon dioxide
g
photosynthetic cells
move in & out of cells via diffusion
specialised plant cells are...
xylem
eukaryotic = genetic material in nucleus
phloem
prokaryotic = genetic material in DNA loop
tissue
eukaryotic & prokaryotic cells
bacteria is prokaryotic
cells may be specialised to function in a... organ
organ system
