The Structure of DNA - Quiz

1. What does DNA stand for?

• Deoxynitrogenous Acid
• Deribo Nuclein Acid
• Deoxyribonucleic Acid
• Denatured Nucleic Acid

2. What shape is a DNA molecule? Do not use punctuation or capitalization of letters in your answer or it will be marked as incorrect.

3. There are four nitrogenous bases found in DNA. Three are cytosine, adenine and guanine. What is the fourth? Do not use punctuation or capitalization of letters in your answer or it will be marked as incorrect.

4. The bases form complimentary base pairs. Which pairs shown are correct?

• A - T and C - G
• A - C and T - G
• A - G and C - T

6. What is the name of the repeating units that make up DNA? Do not use punctuation or capitalization of letters in your answer or it will be marked as incorrect.

7. Which type of bonds form between complementary base pairs?

• Oxygen
• Hydrogen
• Phosphodiester
• Covalent

8. Who discovered that the shape of the DNA molecule was a double helix?

• Franklin
• Miescher
• Chargaff
• Levene
• Watson and Crick

9. The shape of the DNA molecule would have never been discovered without X-Rays taken by...

• Franklin
• Miescher
• Chargaff
• Levene
• Watson and Crick

10. *Bonus* Who is credited with FIRST discovering DNA? HINT: He called it "Nuclein."

• Franklin
• Miescher
• Chargaff
• Levene
• Watson and Crick

2. What is the primary function of DNA in cells?

• To provide structural support

• To store genetic information

• To catalyze reactions

• To store energy