Which scientist's experiment definitively proved that DNA is the genetic material?
Hershey and Chase
Avery, MacLeod, and McCarty
Griffith
Meselson and Stahl
Related Questions
In their side by side experiments Hershy and chase incorporated into?
Bacterial DNA
Protein Capsid of Phage
Cytoplasm of bacteria
Phage DNA
What radioactive element was used to label the protein part of the bacteriophage in the Hershey-Chase experiment?
Sulfur (35S)
Phosphorus (32P)
Nitrogen (15N)
Carbon (14C)
In the Hershey-Chase experiment, what crucial observation confirmed that DNA, and not protein, was the genetic material injected into bacteria by bacteriophages?
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.
Which experiment definitively proved that DNA, and not protein, is the genetic material?
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
The Hershey-Chase experiment utilized radioactive isotopes to label different components of bacteriophages. Which of the following combinations accurately reflects the isotopes used and the components they labeled?
32P for protein and 35S for DNA
35S for both DNA and protein
32P for DNA and 35S for protein
32P for both DNA and protein
In their side by side experiments Hershy and chase incorporated into?
Bacterial DNA
Protein Capsid of Phage
Cytoplasm of bacteria
Phage DNA
Which of the following is NOT a key feature of the transforming principle, as demonstrated by Griffith?
It is composed of protein.
It can change the characteristics of bacteria.
It can be passed from one generation of bacteria to the next.
It was later identified as DNA.
