DNA Replikation Flashcards

1
Q

Negativ Supercoiling–

A

negativa supercoling tar bort stressen i underwinded (upprätade) DNA strängar (dubbelsträngar).

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2
Q

Positiva supercoling-

A

Tar bort stressen från overwinded DNA strängar,

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3
Q

Topoismoeras II ?

A

Negativ supercoilng kompakterar dubbelstängarna mer, genom Topoisomeras II (DNA gyrase)

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4
Q

Topoismoeras I ?

A

Topoisomeras I kan ta bort negativ supercoiling tillbaka till relaxed/normalt tillstånd

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5
Q

DNA helikase:

A

Bryter vätebindningarna mellan de komplementära basparen. 3 vätebindningar mellan C-G, och 2 meLLan A-T

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