GCSE Biology AQA Complete Revision Notes
Master your GCSE Biology with these comprehensive, exam-focused AQA revision notes. Covering all the essential topics, these notes provide clear, concise summaries to help you succeed:
Leaf and Plant Structure: In-depth explanations of plant anatomy an...
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Mitochondria thesearewheremost
transgers
energythattheweneedtowork
Sibosomes these
of thereactionsforaerobicrespirationtakeplaceRespiration
arewhereproteinsaremadeinthecell
ara.ot
oas. r
Slantcell
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chloroplasts thesearewherephotosynthesisoccurswhich substancecalledchlorophyll
of
makes a
ifeng.ae green
go.gggg.gg
Whichabsorbsthe
lightneededfor
photosythesis
i
hefunctionofamusclealeistocontractquicklythesecellsarelongcsotheyhavespacetocontractsandcontainlotsofmitochondriato generate
ÉÉÉÉÉÉ
jjÉÉ
ohemandgumcellsformonto
to
i
emandgum
tubeswhich
t ransportsubstancessuch and thetubes
phloem xylem asgood aroundplants oform
water
go gq
throughthem
flow
Stem
cells
Undifferentiatedcellscalledstem
cellscandivide produce to lotsmoreundifferentiatedcellshey
candiggerentiateintodiggerenttypesorcelldependingon
whatinstructionsthey'regiven
inearly
stemcellsaresound human have
e mbryoshey potentialto
turnintoany f atall
ocell
type
dultsalso
have but
cells
stem only undncertain
are likebonemarrowunlikeembryonicstem
they go places
turn
cellstheycan't into typeatallonly
anycell blood
onessuchas
certain cells
cellsfrom
stem and
embryos bone begrowninacabtoproduceonescgeneticallyidenticalcellsand
m arrowcan intospecialisedcellstouseinmedicine
madetodiggerentiate
cells
stem
mbryonic could
also beusedtoreplacesanitycellsinsickpeopletheyuseinsulinproducingcellsforpeoplewithdiabetesnervecellsforpeopleparalysedby
spinal stem
injuries cells inthe
grown labmaybecomecontaminatedwithaviruswhich bepassedontothepatient
could
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