#Question id: 164
#Section 2: General Biology
The uncommon amino acid selenocysteine has an R group with the structure —CH2—SeH (pKa = 5). In an aqueous solution, pH = 7.0, selenocysteine would:
#Question id: 165
#Section 2: General Biology
Amino acids are ampholytes because they can function as either a(n):
#Question id: 166
#Section 2: General Biology
For amino acids with neutral R groups, at any pH below the pI of the amino acid, the population of amino acids in solution will have:
#Question id: 168
#Section 2: General Biology
The peptide alanylglutamylglycylalanylleucine has:
#Question id: 169
#Section 2: General Biology
An octapeptide composed of four repeating glycylalanyl units has:
#Question id: 170
#Section 2: General Biology
Desmosine, an uncommon amino acid is derived from