Instructions: Color every nitrogenous base on
this page and on your origami DNA template.
obj. 3.01
The 4 nitrogenous bases of DNA.
Show your color key !
The DNA molecule
The purines
Adenine
Adenine color
Guanine
guanine color
The pyrimidines
Cytosine
The DNA molecule is made of six parts:
cytosine color
The phosphate-sugar backbone:
A sugar, called deoxyribose
A phosphate group
Four bases:
Thymine
thymine color
Adenine
Thymine
Guanine
Cytosine
5
Adapted from Yen, T., 1995, Make your own DNA. Trends in Biochemical Sciences, 20: 94.