Avery Identifies the Cause Proteins
destroyed
in heat-killed
S cells.
Lipids
destroyed
in heat-killed
S cells.
RNA
destroyed
in heat-killed
S cells.
DNA
destroyed
in heat-killed
S cells.
Griffith showed that a
molecule existed that affected
information transfer between
generations, but he had not
yet identified the molecule.
Avery took Griffith's work a
step farther, analyzing cell
extracts in great detail.
R cells
R cells
R cells
R cells
1. From the results shown
here, identify the molecule
that was at work:
A. lipid
B. carbohydrate
А A
S cells form
S cells form
S cells form Scells do not form.
C. RNA
D. DNA
Check Answer