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2808322
Replisering
Description
breinkaart v/ die replisering v. DNA
No tags specified
replisering
biologie
afrikaans
dna
nukleotiede
Mind Map by
Absolutary
, updated more than 1 year ago
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Created by
Absolutary
over 9 years ago
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Resource summary
Replisering
proses waar DNA-molekule 'n nuwe molekule wat identies is aan die oorspronklike molekule
vind plaas tydens interfase in selsiklus(tussen seldelings)
verseker dat genetiese kode na dogtersel oorgedra word tydens seldeling
proses word gekataliseer deur DNA-polimerase(ensiem)
Dubbele heliks draai los v. mekaar & dan vind replisering in 3 stappe plaas:
1. Waterstofbinding wat basispare bymekaar hou breek & die twee drade kom los. Elke draad met basisse is dan blootgestel & dien as templaat
2. Vrydrywende nukleotiede in sitoplasma verbind met hul komplimentere basisse. (komplimenter = presiese duplikaat)
3. 2 dogter-DNA-molekules draai elkeen om dubbele heliks te vorm wat om histone(proteiene) draai <~ chromosoom
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