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Bioloogia > 2. teadmiste kontroll - organismide areng > Flashcards

2. teadmiste kontroll - organismide areng Flashcards

1
Q

rakutsükkel

A

raku eluring ühest jagunemisest teiseni

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2
Q

mitoos

A

eukarüootsete rakkude jagunemine, mille tulemuseks on kaks eellasrakuga identse geneetilise materjaliga tütarrakku.

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3
Q

meioos

A

eukarüootsete rakkude jagunemine, mille tulemusena geneetilise materjali hulk tütarrakkudes on eellasrakuga võrreldes kaks korda väiksem. ESINEB SUGURAKKUDE JA EOSTE MOODUSTUMISEL.

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4
Q

interfaas

A

rakutsüklis kahe jagunemise vahele jääv elufaas, kus toimub ettevalmistumine jagunemiseks

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5
Q

replikatsioon

A

interfaasi ajal toimub DNA kahekordistumine, mille käigus saadakse ühe DNA molekuli alusel teine samasugune DNA molekul.

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6
Q

tsentromeer

A

päristuumse raku kahte DNA ahelat ehk kromatiidi ühendav koht

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7
Q

karüokinees

A

mitoosi käigus toimuv rakutuuma jagunemine

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8
Q

tsütokinees

A

tsütoplasma ning rakuorganellide jagamine mitoosis tekkiva kahe uue raku vahel

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Bioloogia (4 decks)

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