Structure 1
What is the shape we call DNA?
Double Helix
Is DNA a double or triple helix?
Double
What does Thymine pair with?
Adenine
What is DNA's full name?
Deoxyribonucleic acid
Who took the X shaped X-Ray that showed DNA is a helix?
Rosalind Franklin
What is a phosphate, sugar and a base called when they are together?
Nucleotide
What are chromosomes made of?
DNA and Proteins
What does Guanine pair with?
Cytosine
What is the purpose of DNA?
Genetic directions
Who discovered DNA's structure?
Watson and Crick
What is the outside of DNA made of?
Phosphates and Sugars
Are the bases on DNA facing inside or outside the backbone?
Inside
What are the 2 purines?
Adenine and Guanine
Where is DNA located in a cell?
Nucleus
Who were the 3 people who received a Nobel prize concerning DNA structure?
Watson, Crick, Maurice Wilkins
What are the four bases of DNA?
Thymine, Guanine, Cytosine, Adenine
What are the three main pieces of DNA's structure?
Phosphate, sugar, nitrogenous base
What are the 2 pyrimidines?
Thymine and Cytosine
What is Chargaff's rule?
A=T, C=G
Who proposed a triple helix structure?
Linus Pauling
Hydrogen Bond
What are the steps of DNA made of? (steps of a ladder)
Nitrogenous Bases
What is Uracil?
The base that takes the place of Thymine in RNA
What is a codon?
What did scientists initially think coded for our genetics?
Protein