Topics: Discovery of DNA Quiz
What feature did Hershey and Chase use to differentiate between the protein and nucleic acid in their experiment?
A. Proteins have phosphorus and nucleic acids have sulfur
B. Proteins have sulfur and nucleic acids have phosphorus
C. Proteins are single stranded and nucleic acids are double stranded
D. Proteins are double stranded and nucleic acids are single stranded
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Avery added an enzyme known to break down and destroy DNA to his heat killed S-strain bacteria, and saw that the R-strain bacteria were ____________________
A. still transformed, and killed the mice.
B. no longer transformed, and the mice lived
C. partially transformed, and the mice got sick but survived.
D. still transformed, but no longer killed the mice