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What is DNA

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Madeleine Student

on 14 January 2015

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Transcript of What is DNA

What is DNA?
One of components for chromosomes
Made up of 4 bases
A) Adenine T) Thymine G) Guanine C) Cytosine
Steps Of Replication
1) Helix unzips
2) DNA strands separate
3) Each side is template
4) Now two identical DNA strands
Helix Unzips
Two Identical DNA Strands
What Does DNA Look Like
Twisted ladder (helix)
During replication looks like zipper
Bases on either side
Structure of dna by:julia sax
New Strand
DNA Strands Separate
Full transcript