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Title: Biology Notes: DNA
Description: Included in this set of notes: DNA terms, and pictures of the structure of DNA (typed)

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Topic: DNA
Structure of DNA

Three Hydrogen Bonds go through Cytosine and Guanine
Two Hydrogen Bonds go through Adenine and thymine
Terms:
Purines


Double ring



Adenine & Guanine

Pyrimidines


Single ring



Thymine & Cytosine

Covalent Bonds


Hold the nucleotide together



Very strong and hard to break

Hydrogen Bonds


Weaker



Used in DNA replication



Hold the 2 strands of DNA together

Deoxyribose


Sugar

Phosphate


Salt

nitrogen base


Adenine



Cytosine



Guanine



Thymine

Adenine


Pairs with Thymine

Guanine


Pairs with Cytosine

Cytosine



Pairs with Guanine

Thymine


Pairs with Adenine

Rosalind Franklin


Did a majority of the research



Took “photo 51” which is what led to the overall discovery of the true form of DNA



Was not credited because she was a woman

Watson


Wrote the book ​The Double Helix

Crick


Crick and Watson figured out the correct structure of DNA

Chromatin


Coils into chromosomes

Chromosomes


Hold genes


Title: Biology Notes: DNA
Description: Included in this set of notes: DNA terms, and pictures of the structure of DNA (typed)