DNA structure and replication

Which scientist did the experiment with mice and bacteria to prove that bacteria could change form?

• Griffith

• Avery

• Hershey/Chase

• Chargaff

Which scientist proved that it was DNA that was the transforming factor from the mouse and pneumonia experiment?

• Griffith

• Avery

• Hershey/Chase

• Chargaff

Which scientist/s helped to prove, using bacteriophages, that DNA was the material transforming bacteria?

• Griffith

• Avery

• Hershey/Chase

• Chargaff

Which scientist/s showed that there was always an equal amount of adenine compared to thymine in DNA?

• Griffith

• Avery

• Hershey/Chase

• Chargaff

Which of the chemicals below is NOT a major component of the DNA molecule?

• deoxyribose sugar

• lipids

• nitrogenous base

• phosphate

What did Rosalind Franklin's picture show?

• A ladder-like structure, proving DNA was a helix

• An X-shape, proving DNA was a double helix

• A pentagonal shape showing that DNA was made of sugar

• Not enough to prove anything

Who were the scientists that wrote the paper explaining the structure of DNA?

• Chargaff and Avery

• Smith and Wesson

• Watson and Crick

• Peanut butter and jelly

The method of DNA splitting into two strands and each strand acting as a template to make a new full strand of DNA is called?

• partial conservative

• mostly conservative

• ultra conservative

• semi conservative

DNA is unwound by the enzyme...?

• helicase

• zipperase

• polymerase

• ligase

Each parent strand of DNA is read by ________, which then finds matching nucleotide bases to attach and build a new strand of DNA?

• helicase

• zipperase

• polymerase

• ligase