DNA Structure and Replication.  4 types of Nitrogen bases: Adenine Thymine Guanine Cytosine Deoxyribonucleic acid.

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Presentation transcript:

DNA Structure and Replication

 4 types of Nitrogen bases: Adenine Thymine Guanine Cytosine Deoxyribonucleic acid

How do I write the complimentary DNA strand??

Remember Chargaff’s Base Pairing Rules?? Adenine (A) pairs with Thymine (T) Guanine (G) pairs with Cytosine (C) DNA Strand: Complimentary DNA Strand: TGCGCGTTAAGT ACGCGCAATTCA

7AI

How do you make more DNA?

WHERE DOES DNA REPLCATION OCCUR? S Phase occurs during interphase of the cell cycle Takes place in the nucleus of eukaryotes

How does DNA Replication work? How does your DNA go from 1 DNA strand  2 identical DNA strands

Matching Cards

= Helicase

= DNA Polymerase = Complimentary DNA Strand

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