Nucleotides

 

Let's start with the base.

The image to the right is of the adenine molecule. Click on the image and rotate the molecule around with the mouse to get a feel for its shape. Notice the two rings joined together.

Study Question:

What shape best describes the molecule?

a. The atoms form a football shaped molecule.
b. Most of the atoms of the molecule lie in the      same plane.

Answer: b. Most of the atoms of the molecule lie in the same plane.

Click to add a ribose molecule