DNA Structure and Discovery Quiz

Who were the three key figures in the discovery of DNA's structure?

• James Watson, Francis Crick, Rosalind Franklin

• Albert Einstein, Niels Bohr, Marie Curie

• Charles Darwin, Gregor Mendel, Louis Pasteur

• Isaac Newton, Galileo Galilei, Nikola Tesla

What technique did Rosalind Franklin use to study DNA?

• Electron microscopy

• Ultrasound imaging

• Nuclear magnetic resonance

• X-ray diffraction

What shape did Rosalind Franklin's X-ray diffraction images suggest for DNA?

• A straight line

• An X shape

• A triangle

• A circle

What is the term used to describe the spiral structure of DNA?

• Quadruple helix

• Triple helix

• Double helix

• Single helix

What are the three components of a nucleotide?

• Phosphate, sugar, nitrogenous base

• Protein, lipid, carbohydrate

• Amino acid, peptide, enzyme

• Carbon, hydrogen, oxygen

Which nitrogenous bases pair together in DNA according to Chargaff's rule?

• Adenine with guanine, thymine with cytosine

• Adenine with thymine, cytosine with guanine

• Adenine with cytosine, thymine with guanine

• Adenine with adenine, thymine with thymine

What is the significance of Chargaff's rule in DNA structure?

• It identifies the sequence of amino acids

• It determines the shape of the DNA molecule

• It describes the bonding pattern of nucleotides

• It explains the linear structure of DNA

Why was Rosalind Franklin not awarded the Nobel Prize with Watson and Crick?

• She was not recognized by the scientific community

• She refused the prize

• She was not alive when the prize was awarded

• She was not involved in the research

What was the main reason Watson and Crick received most of the credit for the DNA structure discovery?

• They worked independently

• They discovered the X-ray diffraction technique

• They won the Nobel Prize

• They were the first to publish the findings

What was the collaborative nature of the DNA structure discovery?

• It was discovered by accident

• It was a solo effort by Watson

• It involved contributions from multiple scientists

• It was a government-funded project