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Summary

Summary IEB matric life sciences DNA

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In depth, well-structured online notes on DNA, RNA and protein synthesis for Matric life sciences.

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Course

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the code of life


structure functioning of the nucleus




Sspen ddinQ nucleoplasm

9 9 atkins
threadlike sauce
Illnesses
Tritie
histone
proteins


enclosed
bynuclear
d
membrane




formsa passagebetween
thenucleus thecytoplasm

double
nuclearmembrane
enclosesnucleoplasm
haspores

Initiating
Ente'd're
is nickensintocgrgge.EE
egadiceenstentaiEnecen

, DNA Deoxyribonucleicacid
Nucleicacids RNA Ribonucleicacid
Organicmolecules
controlthesynthesis ofproteinsinalllivingcells
bystoring transferringgeneticinformation

PROTEINS
makeupmuchof thestructureofthebody
ENZYMES areproteins controlchemicalprocessesinsidecells

TheyControlEestniture functioningofall livingorganisms




Location Discovery
inthechromosomesinthenucleus RosalindFranklin firstpersonto
ARAchromosomalDNA researchDNA
JamesWatson Franciscrick analizedthe
catn ii a9a intop pI
I
pain research
ARAextranuclearDNA mitochondrialDNA
passed frommothertochild
rarelychangesduetomutations

thesskheenfarifua.is
retake Structure
Chromosomes DNAis a giantmolecule consistsof two
LongthreadlikestructurescomposedofDNA Ftrands thataretwisted toformadgqqq.cn
wrappedaroundproteinscalledhistones itis apolymermade itlookslikealadder
onlyvisibleindividingcells otherwiseDNAappears P phosphatemolecule
asa chromatinnetwork FEEE.de sugarmolecule deoxyribose
Genes 88
808 get
ifInitiinechromatid nitrogenousbases

Ashortsegmentof aDNAmoleculethatcodesfora 4differenttypes
particularprotein
Eachgenecarriesthecodeforthesynthesisof a Legg
particularprotein
onetime ntnea
is ing rganism
foundationofthegenetic
code
instruct teenzymes
cellatepees
RoleofDNA
Genes
Thesequenceofnitrogenousbasesin agene
DETERMINES DNAreplication
thesequence typeofaminoacidsthatwill
combinetoforma particularprotein makinga
newlfdfgj.EE
fromanexistingDNAmolecule
canreplicate makeanidenticalcopyofitself
piggn
toensurethatthegeneticcodeisaccurately whenduringinterphaseinthecycleofacell
passedfromonegenerationtothenext
ChienYappermeetshonesty

, Non coding
codingDNA
2 ofDNAinlivingcells
codesforproteins

NoncodingDNA still researched
being
98 ofDNAinlivingcells
doesnotcarryinformation toproduceproteins
betweenindividuals usedinDNAfingerprinting
varies
Playsanimportantroleintheregulation controlof
theexpressionofgenesinthecodingDNA
Determineswhen where genesareswitchedon off
httpqh
f9gy
gsT
bycentromere
genesfrommutations
Protects
Controlstheprocessofcopying
genesduringtranscription
inproteinsynthesis


enzyme


for
theformationofanew
strand




Tommones ifeng.si
giEEiifen i a




DNAreplicationimportance
of neededbefore
identicalcopies DNAare celldivision
toensurethat each cellcontainsthesame
daughter
geneticinformationasthe mothercellonemother
celldividesintotwoidenticaldaughtercells
during
mitoticcelldivision

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Uploaded on
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Number of pages
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Written in
2025/2026
Type
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