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
Which one of the following is correctly matched?
Frederick Griffith - Discovered the phenomenon of transformation
Linus Pauling - Isolated DNA for the first time
Francis Crick - Proposed one gene-one polypeptide hypothesis
George Beadle - Proposed the concept of inborn errors
Which one of the following is correctly matched?
Frederick Griffith - Discovered the phenomenon of transformation
Linus Pauling - Isolated DNA for the first time
Francis Crick - Proposed one gene-one polypeptide hypothesis
George Beadle - Proposed the concept of inborn errors
Which scientist's experiment definitively proved that DNA is the genetic material?
Hershey and Chase
Avery, MacLeod, and McCarty
Griffith
Meselson and Stahl
Which molecule carries the genetic information in bacteriophages?
DNA
RNA
Protein
Lipids
What did Griffith observe when he injected a mixture of heat-killed S strain and live R strain bacteria into mice?
The mice died, and live S strain bacteria were recovered.
The mice survived.
The mice died, and live R strain bacteria were recovered.
The mice survived, and a new strain of bacteria was recovered.
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)
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.
In Griffith's experiment, which strain of Streptococcus pneumoniae caused the death of mice?
S strain (smooth)
R strain (rough)
Heat-killed S strain
Heat-killed R strain