Which experiment definitively proved that DNA, and not protein, carries genetic information?
Griffith's transformation experiment
Avery, MacLeod, and McCarty's experiment
Meselson and Stahl's DNA replication experiment
Hershey and Chase's bacteriophage experiment
Related Questions
In the Hershey-Chase experiment, why was radioactive sulfur (35S) used to label phage proteins?
Sulfur is a component of both DNA and protein
Sulfur is a component of proteins but not DNA
Sulfur is easily detectable in bacterial cells
Sulfur is a common component of bacterial cell walls
Which observation from Griffith's experiment with Streptococcus pneumoniae provided the strongest evidence for the existence of a 'transforming principle'?
Live non-virulent bacteria did not cause disease in mice.
Heat-killed virulent bacteria did not cause disease in mice.
Live virulent bacteria caused disease in mice.
Heat-killed virulent bacteria, when mixed with live non-virulent bacteria, caused the latter to become virulent.
Radioactive Phages were allowed to attach to?
Bacteriophage
E. Coli
Salmonella
HIV Virus
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 his bacteriophage experiments, Hershey and Chase demonstrated that DNA is genetic material in
TMV
bacteriophage
If Hershey and Chase had found both 32P and 35S inside the bacteria, what would have been the conclusion of their experiment regarding the genetic material?
DNA is the genetic material
Protein is the genetic material
Both DNA and protein are the genetic material
The experiment would be inconclusive regarding which molecule is the genetic material
Which component of the bacteriophage was found inside the bacteria in the Hershey-Chase experiment, confirming DNA as the genetic material?
Radioactively labeled protein (35S)
Radioactively labeled DNA (32P)
Both radioactively labeled protein and DNA
Neither radioactively labeled protein nor DNA
Which experiment definitively proved that DNA, and not protein, carries genetic information?
Griffith's transformation experiment
Avery, MacLeod, and McCarty's experiment
Meselson and Stahl's DNA replication experiment
Hershey and Chase's bacteriophage experiment
If a segment of double-stranded DNA has 20% adenine, what percentage of guanine would it contain?
20%
30%
40%
50%
From his transformation experiment Griffith concluded with transforming principle might be?
DNA
Polysaccharide Capsule
RNA
None
