3. Amino Acids

How many standard amino acids are incorporated into proteins during translation in eukaryotic cells?

Which type of heterocycle is found on two amino acid residues, thereby blocking access to the tryptophan residue at position 15 (w15)?

Which of the following is true about the amino acids that make up a transmembrane protein?

Which of the following amino acids contains a positively charged (basic) side chain at physiological pH?

Which statement is true regarding the recommended dietary intake of protein for healthy adults?

Which of the following is the full name of ATP?

Which tryptophan (Trp) residue of carbonic anhydrase can be selectively modified with chloroform (CHCl$_3$) at 20\(^{\circ}\)C?

A protein molecule with a smaller carbohydrate covalently bonded to it is called a(n):

Amino acids are classified as acids because they always possess which functional group?

Which category of nutrients is comprised of different amino acids?

Every amino acid has a central (alpha) carbon atom to which all of the following groups are attached, EXCEPT:

Which of the following formulas contains protein that has been broken down into its building blocks (free amino acids)?

Which groups of amino acids are covalently linked to form the primary structure of a protein?

Which of the following are purine bases?

What products would result from the complete hydrolysis of the tripeptide Gly-Ala-Ser?