DNA REPLICATION Flashcards

1
Q

what is dna

A

biological proccess of prducing two identicla replicas of dna from one original dna molecule

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2
Q

dna important for

A

-protein synthetis
-neccessary for cell dividion ,S phase of the cycle

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3
Q

building blocks

A

free nucleotides

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4
Q

result

A

two dna molecules consisting of one old and one brand new chain of nucleotides-semi-conservative

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5
Q

helicase

A

destabilizing enzyme,seperates the two strands of dna

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6
Q

primase

A

provides a starting point for RNA(or DNA) fro DNA polymerase to begin synthetis of the new DNA strand

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7
Q

DNA polymerase

A

the enzyme responsible for catalyzing(make it happen) the addition of nucleotide substrades to DNA in the 5’to 3’direction-also proof reading and error connection

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8
Q

exonuclease

A

-removes RNA nucleoids

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9
Q

DNA ligase

A

seals up the frgaments again forming a double helix

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10
Q

stages of dna replication

A

initiation
elongation
termination

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11
Q

initiation

A

unwinding of the double helix,formation of replication fork

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12
Q

elongation

A

adding of free nucleoids to replication fork

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13
Q

termination

A

stopping replication

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