Development of DNA - Geneticists

Geneticist responsible for discovering "nuclein"

• Fredrick Griffith

• Fredrick Miescher

• Hershey & Chase

• Meselson & Stahl

The Transformation Principle was created by...

• Beadle & Tatum

• Barbra McClintock

• Phoebus Levene

• Fredrick Griffith

These scientists worked with DNA, RNA, and proteins to try and determine which was the transforming principle

• Avery, McCarty, McLeod

• Watson & Crick

• Meselson & Stahl

• Beadle & Tatum

Known for the famous "Blender Experiment"

• Erwin Chargaff

• Rosalind Franklin

• Marshall Nirenburg

• Hershey & Chase

Hershey and Chase confirmed that DNA is genetic material

• True

• False

Phoebus Levene discovered that DNA is made of deoxyribose sugars, phosphate groups, and _______

• streptococcus

• Thymine

• Nitrogenous bases

• Adenine

Erwin Chargaff is credited with which discovery?

• Transformation principle

• Radioactive tags can identify proteins and DNA

• one-gene one-enzyme hypothesis

• Nitrogenous base pairing is complementary

Rosalind Franklin used which method to complete her experiments?

• X-ray crystallography

• Paper chromatography

• Nitrogen isotope tags

• Corn

The double-helix structure of DNA was first discovered by...

• Fredrick Griffith

• Rosalind Franklin

• Barbra McClintock

• Watson & Crick

Answer explanation

Rosalind Franklin's research was stolen by Watson & Crick, and published under their names.

The model of DNA we use today was first built by...

• Friedrich Miescher

• Marshall Nirenburg

• Beadle & Tatum

• Watson & Crick