Came up with the term 'transforming principle'

Won the Nobel Prize

Was the first to say that DNA was the 'transforming principle'

Compared S-bacteria extract with protein and saw that they had very little in common

Created models of DNA

Studied bacteriophages

Used x-rays to take pictures of DNA

Worked with pea plants

(Secretly) took a look at Franklin's image of DNA

Figured out the amount of A, T, G, and C that many different organisms have

Created radioactive viruses to see what their genetic material was made of

Known as the "Father of Genetics"

Conducted research on bacteria that cause pneumonia

Did NOT win the Nobel Prize, though her work was stolen and used to win it!

The shape of DNA is a triple helix.

Alone, R-bacteria caused pneumonia.

Microscopic models were used to show DNA's structure to the world.

Chargaff did NOT understand what his own data meant.

Bacteria can steal genes from other bacteria.