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
What was the key observation in the Hershey-Chase experiment that supported DNA as the genetic material?
Radioactive sulfur (S) was found inside the bacterial cells.
Radioactive phosphorus (P) was found inside the bacterial cells.
Both radioactive sulfur and phosphorus were found inside the bacterial cells.
Neither radioactive sulfur nor phosphorus were found inside the bacterial cells.
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
Griffith conducted his transformation experiments on?
E. Coli
Tetracoccus
Diplococcus
Penicillin
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 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.
Hershey and Chase utilized bacteriophages to demonstrate that DNA is the genetic material. What is a bacteriophage?
A type of bacteria
A bacterial enzyme
A virus that infects bacteria
A component of bacterial DNA
The Hershey-Chase experiment provided definitive evidence that DNA is the genetic material. Which of the following best describes their experimental approach?
Observing bacterial transformation using purified protein extracts
Analyzing the chemical composition of chromosomes
Radioactively labeling phage DNA and protein to track their fate during infection
Studying the inheritance patterns of mutant bacteria
Which enzyme was used by Avery, MacLeod and McCarty to prove that DNA is the genetic material?
RNase
Protease
DNase
Lipase
Radioactive Phages were allowed to attach to?
Bacteriophage
E. Coli
Salmonella
HIV Virus
If Hershey and Chase had found radioactive sulfur () inside the bacteria instead of radioactive phosphorus (), what would have been the conclusion of their experiment?
DNA is the genetic material.
Protein is the genetic material.
Both DNA and protein are the genetic material.
Neither DNA nor protein is the genetic material.
