The Structure of DNA Reading

What is the shape of DNA?

• Double helix

• Triple helix

• Single strand

• Circular

What does DNA stand for?

• Deoxyribonucleic acid

• Deoxyribose nucleic acid

• Dioxyribonucleic acid

• Deoxyribonucleic atom

What are the monomers of DNA called?

• Nucleotides

• Amino acids

• Proteins

• Carbohydrates

Which two molecules make up the backbone of a DNA molecule?

• Deoxyribose and phosphate

• Adenine and thymine

• Guanine and cytosine

• Hydrogen bonds and nitrogenous bases

Which nitrogenous bases are purines?

• Adenine and guanine

• Thymine and cytosine

• Adenine and thymine

• Guanine and cytosine

What type of bond holds the base pairs together in DNA?

• Hydrogen bonds

• Covalent bonds

• Ionic bonds

• Peptide bonds

Which scientists received the Nobel Prize for discovering the structure of DNA?

• Watson, Crick, and Wilkins

• Watson, Crick, and Franklin

• Watson, Wilkins, and Pauling

• Crick, Wilkins, and Chargaff