Skip to content
One Long Tail
Lessons
Hands-on
Plans
About us
Menu
Lessons
all 428, by branch
Hands-on
lessons you can touch
Plans
what we're building
About us
who we are, contact
All biology lessons
Biology
Lesson 73 of 113
Avery–MacLeod–McCarty
Is the stuff of heredity protein or DNA?
350 BC
today
Era 7 of 11:
DNA
, 1940 – 1970
Check yourself
Loading exercises…