WorksheetsGriffith Avery and Hershey and Chase
Total questions: 15
Worksheet time: 15mins
Who worked with a "new" technology called radioactive labelling?
Watson & Crick
Hersey & Chase
Griffith
Avery, MacLeod, & McCarthy
This scientist discovered that DNA was the transforming principal by destroying different parts of the bacteria until a mouse lived and the R strain didn't transform into S.
Miescher
Hershey-Chase
Griffith
Avery
Chargaff
Who discovered that bacteria could be changed by the process of transformation?
Griffith
Hershey & Chase
Avery
Franklin
Who demonstrated that DNA is the genetic material using bacteriophages?
Griffith
Avery
Hershey & Chase
Watson & Crick
Which experiment involved the use of radioactive sulfur and phosphorus to trace protein and DNA?
Griffith's experiment
Avery's experiment
Hershey-Chase experiment
Mendel's experiment
What was the main conclusion of Griffith's experiment with Streptococcus pneumoniae?
DNA is the genetic material
Proteins are the genetic material
Bacteria can transform
Viruses can infect bacteria
Which scientist(s) used enzymes to demonstrate that DNA is the transforming principle?
Griffith
Avery, MacLeod, & McCarty
Hershey & Chase
Watson & Crick
What did Hershey and Chase use to label DNA in their experiments?
Radioactive sulfur
Radioactive phosphorus
Radioactive carbon
Radioactive nitrogen
In Griffith's experiment, what was the result when heat-killed S strain was mixed with live R strain?
No transformation occurred
R strain transformed into S strain
S strain transformed into R strain
Both strains died
What did Avery, MacLeod, and McCarty conclude from their experiments?
RNA is the genetic material
Proteins are the genetic material
DNA is the genetic material
Lipids are the genetic material
Which of the following was NOT a method used by Hershey and Chase in their experiment?
Centrifugation
Radioactive labeling
Transformation
Blender experiment
What was the purpose of using a blender in the Hershey-Chase experiment?
To mix the bacteria and viruses
To separate the viral protein coats from the bacterial cells
To heat the samples
To cool the samples
Which scientist first observed the phenomenon of bacterial transformation?
Hershey
Avery
Griffith
Chase
What was the significance of the Hershey-Chase experiment?
It proved that proteins are the genetic material
It demonstrated that DNA is the genetic material
It showed that viruses cannot infect bacteria
It discovered the structure of DNA
Which component of the bacteriophage was labeled with radioactive sulfur in the Hershey-Chase experiment?
DNA
RNA
Protein coat
Lipid membrane
