Chapter 25 Practice Questions - CEM252 at MSU Spring 1997

Part B:

Which item of experimental evidence gives the most support to the conclusion that every purine base pairs with a pyrimidine base?

The mole-percent base composition in any organism is the same in all cells of the organism and is characteristic of that organism.
The mole-percents of adenine (a purine base) and thymine (a pyrimidine base) are equal.
The mole-percents of guanine (a purine base) and cytosine (a pyrimidine base) are equal.
The mole-percent of purine bases (adenine + guanine) and pyrimidine bases (cytosine + thymine) are equal.




Base Structures
Sugar Structures

Last modified 2/14/97

Abby Parrill
Department of Chemistry
Michigan State University

These pages may be downloaded and linked from other pages freely for academic and educational purposes. Questions, problems, and errors should be sent toparrill@argus.cem.msu.edu.