Summary
Samenvatting - Cel II hoofstuk 4 celbio
- Course
- Institution
hoofdstuk 4 celbio samenvatting, handgeschreven lesnotities als info vanop slides
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eenern :-
kernenclop
-
hernmatrix
-
euchromatine acties
chromatine -heterochromatine
In actie
-
:
-
nuclead
aanwezig in interfase
>
-
angeren door aubber membraan
al chromatine :
- in interfase
-
elchromatise
-
heterochromatise >
- minder betrokken by metabolisme
1 Nucleonoom Met DNA
.
-kraunsnoer
chromatine rond DNA
>
- nucleosoom
. nucleosomen dichter
2 by elkaar
-regelmatig gestapeld
3 Compactie ledt tot gecondenseerde
.
chromosomen
= meest compacte vorm dat tyouns Mitos voorkant
- Dernchromosomen hab eigen territorium d kern
~door
oprawing Chrom Op eigen plek .
b) nuccedus
- ht ongeren door membraan nucleus beat :
-
opbouw : -
dense fibrillaire component (RNA)
· nieuwe ribosomen
aangemaakt fibrillair Centrum CNEACTIES INA)
↳ RNA ribosomale Ew bevatten ribaan precusarpart.
-granmaire component .
, -
productie ribosomen id nuclus
-morgologische kenmerken :
oEM : o LMi
-ver nucleoporien sbleke kern
duidin nude aviduyke
-euchromatine nuccod
-Vel ribosomen en RER
-
Eu via translatie aangemaakt
2 Kernenlop = Rubber membraan met poriën transporteren
hernomhulsel
-
bilaag piden : -
:
.
amgigativene lipian ·
dubbellag met perinucleaire ruimte
gogapiam ·
Kernporiën-Metabole activiteit
-geyedipidin · buitenmembr ribosomen
:
↳ endesterd · binnenmember In ribosomen
:
ribosomen enkel
>
-
nuttig buiten kern
al Kernporien
-
Zit in NPC
-
gerangschikt Volgens Octagonale symmetrie
2 Intractare transporter
.
- zw aangemaakt op MRNA urj in Cytoplasma
>
- na synthese op juiste plek
=>
posttranslationer transport
El the Membraan Can ER
-
gemaakt
>
- tijdens aanmaar vertransporteerd
=> catransationer transport
-
transporten id Zel :
·
sugnaarsea bep locaisatie . >
-
segnaarpeptide of plet
>
- +
signalen >
-
actle
>
-
translocatie
>
- vesiculair
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