cytoplazmaticka membrana a jadro nukleus a jadrovy obsah karyoplazma Flashcards

(7 cards)

1
Q

cytoplaz membrana

A

je polopriepustna

tvorena dvojitou vrstvou fosfolipidov do kt su vsadene molekuly bielkovin

sluzi ako bariera

udrzuje bunku pri zivote

bielkoviny sa nachadzaju v membrane sluzia ako kanaly cez kt prechadzaju l. z bunky do bunky

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2
Q

jadro nukleus

A

vsetky eukar bunky, sitkovice/vodive bunky

jadro: jadrova membrana/karyotheca
-je 2 vrstvova
-oddeluje jadro od cytopla
-je prestupena jadr pormi, su miestom transportu RNA/ribonukl kys, nimi je v kontaktebjadr hmota s cytop

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3
Q

jadro

A

jadrova membrana
jadrovy por
chromatin
jadierko
ribozom
drsne,hladke endo retikulum
chromozomy

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4
Q

jadrovy obsah karyoplazma

A
  • jadierko nucleus obsahuje RNA
    a prebieha v nom synteza/vyroba bielkovin
    -chromozomy vlakna chromatinu obsahuju deoxyribonuk kys DNA a bielkoviny
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5
Q

tvar jadra

A

najc gulovity elipsovy sosovkovity

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6
Q

poloha jadra

A

u mladych bunkach je v strede
u starsich bunkach spolu s cyto zatlacene k okraju

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7
Q

funkcia jadra

A

riadiace centrum bunky, uloha pri deleni a dedicnosti

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