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Summary GCSE bio paper 1 notes
In depth GCSE notes including all key information and potential exam help with diagrams, definitions etc.
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BIO paper onecell biology bio A
requiredpractican and microscopes
OSMOSIS ANDPOTATO
independantvariable concentrator
dependent change in mass
Lf Lf
control temperature typeofsolution volumetime
to in a sugarsolution
potatoobsorbeswater increase n
specialised cells and their functions sugarsolution will loosewater
sperm togetmaleDNAtofemaleDNA roothair absorbwaterfromsoil
largesurface
hasa longtail streamline
containsmitochondriaforenergy
nervesendelectricalimpulses phloemtransportssubstancesaroundplant
Ilongtocovermoredistance porestoavowsaptohow
branchedconnections
Homenddeld
musclecontractquickly p
m no
now
tubes
ProkaryoticandEukaryotic
Plantcell
d
wall mitochondria rebsomes
plant everythinguse
1
BACTERIACELL don'thave nudes andhavea
a
singlestrand of DNA in the
Mitosis cytoplasm
23pairsofchromosomes MPlatonis thelongestlazeof
fromeachparent yototal
S M
G
, b i upof J A s mon
ÉD
G
becomeanother
undienenceateddont
all cycle makesnewcob
DNAiscoppie'dreplicatedbeforemitosishappen foundin thebonemarrow
replaced
cells
lay
F insulinproducedcells
g g
curedpatients embigos Wmd
ale
usedunwantedAls samesnowandother EXCHANGE humans
wouldbedestroyed stemcells
otherwise
multi volume tosurfaceratio
secular large
thisissosubstancescanbeexchanged
Vili in smallintestine gasman alargesurface
area
absorbsanddigestsfoodlayer auswithgoodbloodsupply thinwallmorelining
amain
surfaceis fattened
pimpleandwater
oxygen
madam man
contraswaterton
i
Lf
increasedsurfacearea deduceoverstomata Celldeffenen
speedsupgas
exchange demmmmonspreading
ofparticles
high lowconcentration
exchange in ems
largesurfacearea gasexchange cellmembrane semipermeable onyoman
Tones comethrough
calledgills osmosismovement
ofwater malcules
higher lowerconcentration
waterentersthroughmouthoutthroughtheguns
ActiveTransport movement
oxygentransportedinwater of substances against the
concentrationgradentrequiresenergy
RequiredPracticals
photosynthesis I setupboilingtube sodium
ate
hydrocarbon
equation carbondioxide t water glucose oxygen 2 At pondweedto8cm
Sa
y f
we
3placepondweedinboilingtube
f
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