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Infektion - 2.U

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PCR (Polymerase Chain Reaction) Denne teknik går ud på at kopiere et bestemt DNA, så man har mere at arbejde med, når det skal undersøges. DNA brydes ved 90 grader. Det sættes frie nukleotider på af DNA-polymerase ved 60 grader. Resultatet er 2 ens enkelt DNA-strenge.
Primer? Startkoden til en DNA-streng.
Mikrochip-metoden? Metoden går ud på at påvise en undertype af et sygdomsgen. Påvisningen sker ved et match mellem DNA fra patient og laboratorium-DNA på chippen. Sygdoms-DNA'et er fluorescerende(lysene).
DNA-centrifugering? Metoden går ud på at oprense og adskille DNA I forskellige stykker efter størrelse. De tungeste DNA-stykker vil ved en centrifugering sætte sig i bunden af røret og de mindre stykker i toppen.
Baseparrings-pricippet Bestemte basepar sætte sig over for hinanden. a->t c->g Det er grundpricippet i Mikrochip-metoden
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