IGCSE生物，看看Topic1都学些什么内容？

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IGCSE生物 Topic1 都学些什么内容

这可能是IGCSE中最简单的科目之一，通过定期复习和练习历年PASSPAPER，可以很轻松地搞定这一学科。教学大纲涵盖了种类分类、动物生理学、植物生理学和遗传学等广泛的主题，使其更加多样化和令人兴奋！从学生的书中学习规范，一个A*很容易哦！

考试本身分为p1和p2。两者都涵盖相同的主题集，但问题模式往往不同。对于生物学来说，p1的实验性更强，而p2的实验性更强，理论性更强。

某些问题会不时重复，建议记住标记方案点，以避免不必要的标记丢失。IGCSE

长话短说，生物学很有趣，只要一点诚意和练习就可以掌握。

SubjectInformation

以下为Topic1的要点，供各位即将步入IGCSE生物学习的同学们参考:

Topic1–Keyconceptsinbiology(Topic1contentiscommontoallthebiologypapers)

(Topic1–Overarchingconceptsinbiology)

(Edexcel9-1GCSEBiology1,Paper1,Topic1"Keyconceptsinbiology")

Youshouldbeableto....

1.1Beabletoexplainhowthesub-cellularstructuresofeukaryoticandprokaryoticcellsarerelatedtotheirfunctions,including:

(a)animalcells-nucleus,cellmembrane,mitochondriaandribosomes

(b)plantcells-nucleus,cellmembrane,cellwall,chloroplasts,mitochondria,vacuoleandribosomes

(c)bacteria-chromosomalDNA,plasmidDNA,cellmembrane,ribosomesandflagella.

Introductiontoplantandanimalcellstructureandfunctiongcsebiologyrevisionnotes

1.2Beabletodescribehowspecialisedcellsareadaptedtotheirfunction,including:

(a)spermcells–acrosome,haploidnucleus,mitochondriaandtail

(b)eggcells–nutrientsinthecytoplasm,haploidnucleusandchangesinthecellmembraneafterfertilisation

(c)ciliatedepithelialcells

Introductiontocellspecialisationgcsebiologyrevisionnotes

1.3Beabletoexplainhowchangesinmicroscopetechnology,includingelectronmicroscopy,haveenabledustoseecellstructureswithmoreclarityanddetailthaninthepastandincreasedourunderstandingoftheroleofsub-cellularstructures.

Microscopy-thedevelopmentanduseofmicroscopesinbiologygcsebiologyrevisionnotes

1.4Beabletodemonstrateanunderstandingofnumber,sizeandscale,includingtheuseofestimationsandexplainwhentheyshouldbeused

1.5Beabletodemonstrateanunderstandingoftherelationshipbetweenquantitativeunitsinrelationtocells,including:

milli(10-3),micro(10-6),nano(10-9),pico(10-12)

(HTonly)Docalculationswithnumberswritteninstandardform

1.6CorePractical:Youshouldhaveinvestigatedbiologicalspecimensusingmicroscopes,includingmagnificationcalculationsandlabelledscientificdrawingsfromobservations.

Microscopy-thedevelopmentanduseofmicroscopesinbiologygcsebiologyrevisionnotes

1.7Beabletoexplainthemechanismofenzymeactionincludingtheactivesiteandenzymespecificity

1.8Beabletoexplainhowenzymescanbedenaturedduetochangesintheshapeoftheactivesite

1.9Beabletoexplaintheeffectsoftemperature,substrateconcentrationandpHonenzymeactivity.

1.10CorePractical:YoushouldhaveinvestigatedtheeffectofpHonenzymeactivity.

1.11Beabletodemonstrateanunderstandingofratecalculationsforenzymeactivity

1.12Beabletoexplaintheimportanceofenzymesasbiologicalcatalystsinthesynthesisofcarbohydrates,proteinsandlipidsandtheirbreakdownintosugars,aminoacidsandfattyacidsandglycerol

ENZYMES-structure,function,optimumconditions,investigationexperimentsgcsebiologyrevisionnotes

SeealsoEnzymesandBiotechnology(gcsechemistrynotes)

1.13BInvestigatingtheuseofchemicalreagentstoidentifystarch,reducingsugars,proteinsandfats

1.14BBeabletoexplainhowtheenergycontainedinfoodcanbemeasuredusingcalorimetry

1.15Beabletoexplainhowsubstancesaretransportedbydiffusion,osmosisandactivetransport

Diffusion,osmosisandactivetransportgcsebiologyrevisionnotes

1.16Corepractical:Youshouldhaveinvestigatedosmosisinpotatoes

1.17Beabletocalculatepercentagegainandlossofmassinosmosis

Diffusion,osmosisandactivetransportgcsebiologyrevisionnotes

Practicalsyoumayhaveencounteredandshouldrevisetoo:

Investigatingtheeffectofdifferentconcentrationsofdigestiveenzymes,usingandevaluatingmodelsofthealimentarycanal.

Investigatingtheeffectoftemperaturesandconcentrationonenzymeactivity.

ENZYMES-structure,function,optimumconditions,investigationexperimentsgcsebiologyrevisionnotes

Investigatingplantandanimalcellswithalightmicroscope.

Microscopy-thedevelopmentanduseofmicroscopesinbiologygcsebiologyrevisionnotes

Investigatingtheeffectofconcentrationonrateofdiffusion.

文章总结：以上就是关于IGCSE生物，看看Topic1都学些什么内容？的全部内容了，考试本身分为p1和p2。两者都涵盖相同的主题集，但问题模式往往不同。对于生物学来说，p1的实验性更强，而p2的实验性更强，理论性更强。

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