DNA I: The Genetic Material

by Nathan H Lents, Ph.D.

Further Exploration

DNA from the Beginning

Cold Spring Harbor Laboratory - A complete primer on the structure and function of DNA.

DNA Interactive

Cold Spring Harbor Laboratory - A comprehensive site for instructors teaching about DNA in the classroom.


Oswald Avery

Oswald Avery


Studies on the chemical nature of the substance inducing transformation of pneumococcal types (pdf)

J. Experimental Medicine original text of the article published by Avery, MacLeod, and McCarty in 1944

News & Events

Seeking Columbus's Origins

NY Times


Google Scholar

Google - Research database allows searching of the scholarly literature.

Next Generation Science Standards (NGSS)

Next Generation Science Standards: For States, By States

National Academies Press: A Framework for K-12 Science Education