Cell structures and functions Highschool biology and mdcat biology notes.
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Course
Biology
Institution
I am a 190 marks scorer in mdcat out of 200 and these are my handwritten notes for biology. The notes are colorful and full of information so it is interesting to read. The notes are short so revision is made way easier. You can now revise a whole chapter in one sitting.
. Liptdy or protiens otbt
O6mycota Protst {>Celotose
Struere compositon
of plant cel wall
Primay \ayer Secondary ayer
Arue wwail a present in Not prerent 'in ai Hpes • Milenela
all tpU of If cels.
te
Mateial
t
which hotdy
cy to tinejeS from phanop become fully mature
•Present in loing cells a (•t is
cells
present in dead two prinay cel|
ros as cell of too adjacent cels
onlls
•Lt is tin lexible. a
Composittionr Mg
• It is ireersibly plaste Composition Cellelsve luenicet= Pectte C
• Com pusitibn Ce llylese 4 -ubseignin
Saltswa +inoynic (Telly ke)
Hemicellulese Pectin cuthn,t silia Pectin becemes j liee
Locate
a
outer to 2nday
lnner to eidde tamell
layerneeo
a
Ao priay laye E outer
cell
menbrane
, Roles: i) Support Protection.
(U) Preent the cel frorm
\) permeable
hreely
i) Lndtrial USe cf cellulose Ea itt deiattyej:
*lasnodemata
Rayon Textle industry
Cytopas mic dbnneter
• Hitocelsosei Explosives
ble adjcent cels.
cellophanei Filer paper
• Cellulotd lastie industry
Cel nenbrane!
Oternost iuig boundry in alI bypes o cells."
Also Calle •PIayna menbtane Ce surface rmenbrzne,
•
Oter enembrane ,• Plasmalemna
Heurilema (Heuson)
. Sarcolemalmusle )
* Tt is leribse & lue to his, mam
hapes
model
'nit membane mode
made
Sthueture: Fluid Mosale Cel men btane is
C.Mis made of ipi bilayes in whieh of ipil biayer
in
Protten molec ules are enbel statie retie layer.
mosaic 22nner.
•CM is sea protien
rmoleeues (ike ice berq
Lipid Hoszic Prshens Microflament
F uid
Cytoplasm
water
nocleu True sohon 6lul Colloida) sclution,
•Extens from (micronolecle) (macromolecule)
to cell membrne (Protiens, \acte
alucee, A.A 2cid
.lo7. cell inelsions t ognclel|F.As,ons
cytopasm
•less wiaul
- Ecbpam
around
movemeti Cieolar motion
Roles: y Cyclosireamiy
nucleas Sue tonicrianet
of metabolism: Calyeoipis ,proten,ligi biolesis
(ii) Site
Store house
Useful pedoct stareh;eongn
(ii) Wat pro ducts Latk eid,aleohel ,maliee (ons
(<ytoqe).
ter eelluar compbunds
Cell
dont
insins1 Compunet
pertoum any iret role kor
cell
ceil
hich
Ej:resl
cell oraaneiess
ovganiged
Cell
unetonal
discrek
leste
that perfom Jvect
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