2. Biomolecules

Amino Acids — Quiz

Test your understanding of amino acids with 5 practice questions.

Practice Questions

Question 1

Using the Henderson–Hasselbalch equation, what is the approximate ratio of deprotonated to protonated forms of the glutamate side chain at pH 7.4?

Question 2

Which of the following amino acids is essential in the human diet because it cannot be synthesized de novo?

Question 3

What is the net formal charge of the dipeptide Gly–Lys at pH 7.0?

Question 4

Which amino acid has the highest hydropathy index and is therefore the most hydrophobic?

Question 5

Which amino acid side chains are negatively charged at physiological pH?