A1.2 Origin of cells Flashcards
1
Q
Hershey-Chase experiment
A
Labeled DNA with radioactive phosphorus and protein with radioactive sulfur;
Phos. (DNA) was found in the pellet → DNA entered the bacterial cells.
Sulfu. (protein) was in the supernatant → Protein did not enter the cells.
2
Q
Conditions for life - early atmosphere
A
Hot, wet, high concentrations of CO2, no oxygen
3
Q
A
