The Discovery of DNA: Unraveling the Double Helix

Who were the two scientists that discovered the double helix structure of DNA?

• Francis Crick and James Watson

• Linus Pauling and Rosalind Franklin

• Gregor Mendel and Charles Darwin

• Albert Einstein and Niels Bohr

What is the length of the human genetic code?

• One million letters

• One billion letters

• Three billion letters

• Ten billion letters

What can DNA manipulation NOT do?

• Turn goat's milk into spiderwebs

• Make plants resistant to pests

• Create a perpetual motion machine

• Make a mouse bald

Which scientist was initially thought to be the leading authority on the structure of protein molecules?

• Francis Crick

• Linus Pauling

• James Watson

• Rosalind Franklin

What was Linus Pauling's incorrect theory about the structure of DNA?

• Double helix

• Triple helix

• Quadruple helix

• Single strand

What technology was crucial to Crick and Watson's discovery of the DNA structure?

• Electron microscopy

• X-ray crystallography

• Ultrasound imaging

• Nuclear magnetic resonance

Who was the scientist that provided crucial x-ray images of DNA?

• Francis Crick

• Rosalind Franklin

• Linus Pauling

• James Watson

What did the x-ray images taken by Rosalind Franklin reveal about DNA?

• It was a triple helix

• It was a double helix

• It was a single strand

• It was a quadruple helix

What new dimension has been added to the 3D model of DNA in recent experiments?

• Time

• Depth

• Height

• Width

What is a key takeaway about the complexity of biology as science advances?

• It becomes simpler

• It remains the same

• It grows exponentially

• It becomes irrelevant