ziklo zel 1+ kontzeptuak Flashcards

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1
Q

zer da ziklo zelularra

A

zelulak jarraitzen dituen prozesu multzoak
jaiotzetik - zatitu arte

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2
Q

zer fase daude

A

interfasikoa: G1,S,G2
mitotikoa: M

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3
Q

zer da zelula kineszentea

A

inoiz zatitzen ez den zelula bat
ziklo zelularra osatu gabe hiltzen dena
G0 fasean sortu —— hil

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4
Q

GAP 1
G1

A

postmitotikoa
- aktibitate metaboliko handia
(organulu berriak,transkripzio,itzulpena)
- ** iraupen desberdina* : zelularen arab**
enbrioi (labur) + eritrozito,neurona (G0 betirako)
_ ** baldintza egokietan G1—–S aldira**

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5
Q

S aldia
SINTESIA

A
  • DNA erreplikazioa : histonak sortu + kromatida 2 eratu
  • S aldian sartu : zatitu nahitaez
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6
Q

GAP 2
G2

A

premitotiko
- zatiketarako prestaketa
1. - mitok/kloroplasto zatitu
1. - proteina + other molek sintesia
1. - diplosoma x2

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7
Q

AMA ZELULAK non daude
animalietan

A

enbrionarioak
helduak ( bizkarrezur muinean)

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8
Q

AMA zelulak landaretan

A

enbrioian = hazia
meristemo ehunean: helduetan

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9
Q

AMA ZELULA enbrionarioa
+ motak

A

zigototik sortzen den 1 zelula
edozein zelula leinu sortzeko gai
pluripotente: edozein zelula mota sortu (organismo ez)
totipotente: organismo osoa sor dezake

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10
Q

zigotoa,morula,blastozito

A
  1. Z= totipotente
  2. M= totipotente
  3. B= pluripotente
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11
Q

AMA ZELULA HELDUAK

A

indibiduo helduetan
multipotente: zelula leinu(mota) diferentziatu bakarra : kopuru mugatuan // zelula desberdinak
helburua: ehun helduak berriztatzeko (lesioak konpondu)
hematopoietiko: odol zelula mota desberdinak sortu

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