DNA Quiz 1 ACP

What is a virus that infects bacteria called?

• bacteriophage

• infectious virus

• transformation

• gene change

Who discovered that the genetic material in a bacteriophage was DNA?

• Hershey & Chase

• Griffith

• Avery

• Watson & Crick

Which strain of bacteria caused pneumonia in Griffith's experiments?

• S-strain

• R-strain

• T-strain

• B-strain

Which strain of bacteria was harmless in Griffith's experiments?

• S-strain

• R-strain

• T-strain

• B-strain

When the mixture of heat-killed S-strain and R-strain bacteria was injected into the mice, what happened?

• The mice died

• The mice remained healthy

• The mice changed colors

• The mice got mean

What part of the virus enters inside the bacteria?

• Carbohydrates

• Lipids

• Proteins

• DNA

Which scientists concluded that the genetic material inside of the bacteriophage was DNA and not protein.

• James Watson and Francis Crick

• Frederick Griffith and Oswald Avery

• Alfred Hershey and Martha Chase

• Rosalind Franklin and Erwin Chargaff

Griffith discovered that

• DNA is different than RNA.
• adenine = thymine.
• bacteria can transfer DNA.
• DNA is the genetic molecule.

Who was responsible for the experiment depicted by the image?

• Friedrich (Fritz) Miescher 
• Hershey & Chase
• Frederick Griffith
• Oswald Avery, et. al.

Who was responsible for the experiment depicted by the image/data table?

• Oswald Avery, et. al.
• Watson and Crick
• Erwin Chargaff
• Frederick Griffith