Molecular Genetics-5 DNA Names & Their Functions Flashcards

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1
Q

ENZYME

What is the Function of Topoisomeraze

A
  • Helps coil dna molecule
  • Or relieves tension of the DNA by untwisting it
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2
Q

ENZYME

What is the Function of Helicase

A
  • unwinds the DNA by breaking down the H bonds so the molecule can separate its strands
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3
Q

What is The Function of Primase

A

Enzyme that add the RNA primers to each parent strand so polymerase can add nucleotides

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4
Q

What is the Function of DNA Polymerase III

A

Adds nucleotides from 5 prime to 3 prime.

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5
Q

What is the Function of Ligase

A

Joins the new Ozakazi fragments by phosphodiester bonds.

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6
Q

What is LEADING & LAGGING

A

Leading: the 5’ to 3’ strand being built TOWARDS the replication fork

Lagging: synthesized in short fragments. As the replication bubble opens up, Primase lays down new RNA primers and DNA polymerase III, creating many Ozakazi fragments (short fragments)

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