Chaoter 14 Flashcards

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1
Q

nucleotides are the building blocks of..

A

DNA. 5 carbon, and phosphate group

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2
Q

enzymes,

A

DNA polymerase, helicase, primase, and ligase

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3
Q

helicase

A

unzipping DNA, breaks though hydrogen bonds that hold them together

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4
Q

dna polymerase

A

builder, replicates to build new strand of DNA

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5
Q

primase

A

initializer, makes primer so primase knows where to start

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6
Q

ligase

A

glues DNA segments together

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7
Q

step 1:

A

helicase unzips DNA

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8
Q

step 2:

A

Single stranded binding proteins bind to keep DNA separate

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9
Q

step 3

A

topoisomerase keeps DNA from super coiling

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10
Q

step 4

A

primase makes DNA primers on both strands

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11
Q

how do the strands lie?

A

anti-parallel, because it has to go five prime to three prime

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12
Q

semi constructive

A

copy of DNA that has one old strand and one new strand

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