Back to quiz

6. Do introns or exons code for amino acids in the final protein

  • Introns
  • Exons

7. How many daughter cells are produced by meiosis

  • 8
  • 4
  • 2
  • 1

8. The DNA base cytosine is complementary to

  • Guanine
  • Thymine and Uracil
  • Adenine
  • Thymine

9. During inspiration in a fish, what happens to the muscles in the mouth and the operculum

  • Mouth contracts, opercular muscles relax
  • Mouth contract, opercular muscles contract
  • Mouth relaxes, opercular muscles relax
  • Mouth relaxes, opercular muscles contract

10. What is the quaternary structure of a protein?

  • How polypeptide chains are arranged together in a protein with multiple polypeptides
  • How the protein folds into a 3d shape
  • How a polypeptide of one protein interacts with the polypeptide of another protein