mitoza Flashcards

1
Q

sto je mitoza

A

stanicna dioba u kojoj iz jedne stanice koja ulazi u diobu nastaju dvije stanice
koriokineza i citokineza

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2
Q

uloga mitoze

A

omogucava rast, obnavljanje tkiva, mnogostanicnih organizama, te nespolno razmnozavanje nespolnih organizama

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3
Q

faze mitoze

A

profaza, metafaza, anafaza i telofaza

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4
Q

profaza

A
  • formiranje kromosoma
  • kromosomi su dvostruki
  • oblikovanje diobenog vretena
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5
Q

metafaza

A
  • kromosomi su maksimalno spiralizirani
  • u ekvatorijalnoj ravnini
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6
Q

anafaza

A
  • razdvajanje sestrinskih kromatida prema suprotnim polovima stanice
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7
Q

telofaza

A
  • dioba citoplazme (CITOKINEZ)
  • nastanak dvaju stanica kceri
  • jednostruki kromosomi
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8
Q

citokineza

A
  • dioba stanice
  • predhodi joj udvostrucavanje organela (interfaza)
  • zapocinje u anafazi mitoze
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