mitoze Flashcards

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1
Q

Lasteles ciklas

A

Interfaze ir Mitoze

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2
Q

Interfazes etapai

A

G1;S;G2

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3
Q

Mitozes etapai

A

Profaze,metafze,anafaze,telafaze

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4
Q

Apibudinkite g1 faze

A

Lastelei greitai augant susidaro naujos organeles, branduolyje matomas is DNR ir baltymu sudarytas plonu siulu chromatinas

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5
Q

Apiibudnkite S faze

A

lasteleje padvigubeja DNR kiekis

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6
Q

Apibudinkite G2 fazee

A

dvigubeja centrioles,formuojasi dalijamosi verbste,sintetinama ATP

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7
Q

Apibudinkite Profaze

A

Profaze-ilgiausia faze, chromosomas susiaureja ir sutrumpeja. Skirtingu chromatidziu poru centromeros issidesto skirtingai.Is kiekvienos centrioles mikrlasdeliu susiformuoja dalijamosi verbste, kurios siulai prisitvirtina prie chromosomu centromeru, Profazes gale isnyksta breanduolelis,branduolio apvalkalas ir chromosomas atsiduria citoplazmoje.

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8
Q

Apibudinkite Metafaze

A

Chromosomas issdesto lasteles pusiauji taip susiformuoja metafazine lastele.Verbstes siulai prisitvirtine prie chromosmu centromeru.Chromosomas ryskios matomos, kiekviena chromosoma sudaryta is dvieju chromatidziu

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9
Q

Apibudinkite Anafaze

A

Verbstes siulai traukia seserines chromatides i skiringas lasteles puses is kiekvienos chromosomos turincios dvi seserines chromatides sudidaro po dvi vienodas dukterines chromosoams turincios po veina chromatide

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10
Q

Apibudinkite Telofaze

A

Verbste suira susidaro branduolio apvalkalas crhomosomos issivynioja ir virsta chromatinu,Oradeda dalintis citoplazma.

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11
Q

citokineze gyvuninese lastelese

A

Gyvunines lasteles per viduri ilinksta ir toje vietoje kur bvo pusiaujas susidaro dalijimosi vagele,Jigileja kol padalija citoplazma

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12
Q

Citokineze augalinese lastelese

A

Augalinese lastelese pusiaujo plokstumoje susirenka goldzio komplekse susidariusios pusleles, jos susiliejo ir sudaro skiriamaja plokstele. is abieju pusiu formuojasi celiuliozine sienele.

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13
Q

Mitozes svarba

A

a) Dukterines lasteles yra tikslios motinines lasteles kopijos.
b) Dukterinese lastelese chromosmu tiek pat kiek ju buvo motinineje lasteleje..
c) Dukterines lasteles genetiniskai identiskos motininei lastelei.

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