TMV

$Escherichia{\rm{ }}coli$

${T_2}$ bacteriophage

$Diplococcus{\rm{ }}pneumoniae$

Radioactive sulfur ($^{35}S$) was found inside the bacteria.

Radioactive phosphorus ($^{32}P$) remained outside the bacteria.

Both radioactive sulfur ($^{35}S$) and phosphorus ($^{32}P$) were found inside the bacteria.

Radioactive phosphorus ($^{32}P$) was found inside the bacteria.

DNA

RNA

Protein

Lipids

DNA

Polysaccharide Capsule

RNA

None

Griffith's experiment with Streptococcus pneumoniae

Avery, MacLeod, and McCarty's experiment with bacterial transformation

Hershey-Chase experiment using bacteriophages

Meselson-Stahl experiment demonstrating semi-conservative replication

E. Coli

Tetracoccus

Diplococcus

Penicillin

S strain (smooth)

R strain (rough)

Heat-killed S strain

Heat-killed R strain

Radioactively labeled protein (35S)

Radioactively labeled DNA (32P)

Both radioactively labeled protein and DNA

Neither radioactively labeled protein nor DNA

TMV

$Escherichia{\rm{ }}coli$

${T_2}$ bacteriophage

$Diplococcus{\rm{ }}pneumoniae$

Radioactive sulfur (35S) was found inside the bacterial cells, while radioactive phosphorus (32P) remained outside.

Both radioactive phosphorus (32P) and sulfur (35S) were found inside the bacterial cells.

Neither radioactive phosphorus (32P) nor sulfur (35S) were found inside the bacterial cells.

Radioactive phosphorus (32P) was found inside the bacterial cells, while radioactive sulfur (35S) remained outside.

RNase

Protease

DNase

Lipase