citoskelet 1 Flashcards

1
Q

MIKROVILI

A

aktinski filamenti (vilin, miozin, fascin, fibrin)

korteks: preplet aktinskih filamentov
barvanje: OH PAS POZITIVNA REAKCIJA- GLIKOKALIS

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2
Q

STEREOCILIJI

A
MODIFICIRANI MIKROVILI- SE NE PREMIKAJO
DALŠI
VALOVIT VIDEZ (NIMAJO VILINA)
LAHKO RAZCEPLJENI
FIBRIN- POVEZOVALNI PROTEIN
ERZIN- SIDRANJE NA MEMBRANO
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3
Q

AKTINSKI FILAMENTI

A

OSNOVNA ENOTA AKTIN G
ALFA- MIŠIČNE CELICE, BETA IN GAMA- NEMIŠIČNE CELICE
TIK POD CELIČNO MEMBRSNO- KORTEKS
NALOGE: krčenje mišic, citokineza, gibanje celic
barvanje z rodamin faloidinom. rdeč signal

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4
Q

INTERMIDIARNI FILAMENTI

A

PROTEINSKI FILAMENTI- PROTOFILAMENTI- INTERMEDIARNI FILAMENTI
3 RAZREDI: KERATIN, NEVROFILAMENTI IN VIMENTIN
NALOGE: lamina fibroza, vzdrževanje oblike, povezovanje celic

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5
Q

MIKROTUBULI

A

TUBULINSKA MOLEKULA: IZ L IN B TUBULINA
13 PROTOFILAMNETOV
CENTROSOM
NALOGE: mitoza (ločevanje kromosomov) vzdrževanje polarnosti celice

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