Identifying the Substance of a Gene

This scientist(s) found a "transforming principle" that changed harmless bacteria into harmful bacteria

• Hershey

• Avery
• Chase

• Griffith

The scientist(s) who settled the debate about whether it was proteins or DNA that was the genetic material of the cell

• Avery
• Hershey & Chase
• Watson & Crick
• Griffith

Scientist(s) who used chemical analysis to show that the genetic material in bacteria was DNA

• Griffith
• Hershey & Chase
• Mendel
• Avery

In the early 1900s, most scientists thought it was _____________ that carried traits from parent to offspring.

• Carbohydrates

• Lipids

• Proteins

• DNA

Tags

NGSS.HS-LS3-1

This scientist(s) conducted experiments that involved injecting mice with S bacteria and R bacteria.

• Avery
• Griffith
• Watson & Crick
• Hershey & Chase

The first scientist to perform multiple tests on the transforming principle, to determine if it was DNA or protein

• Griffith
• Chargraff
• Avery
• Hershey

Avery added an enzyme known to break down proteins to his extract, and saw that the bacteria were ____________________

• still transformed
• not transformed
• all killed
• all sick

Avery added an enzyme known to break down DNA to his extract, and saw that the bacteria were __________________

• still transformed 
• not transformed
• all sick
• all killed

Tags

NGSS.HS-LS1-1

From his work with mice and pneumonia-causing bacteria, Frederick Griffin coined the term

• Replication
• Transcription
• Transformation
• Translation

By using radioactive isotopes, Hershey and Chase were able to conclude that __ are the carrier(s) of genetic information.

• Nucleic acids

• Proteins

• Carbohydrates

• Lipids

Tags

NGSS.HS-LS1-1