3. Amino Acids

How many different amino acids are commonly found in proteins?

Which of the following macromolecules is correctly paired with its corresponding subunit?

How many naturally occurring amino acids are incorporated into proteins during translation in the standard genetic code?

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?

In standard genetically encoded proteins, how many different amino acids (protein monomers) are commonly used to build polypeptides?

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: