Multiple ChoiceIn all standard amino acids, which functional groups are always present on the alpha carbon (in their non-modified form)?13views
Multiple ChoiceIn the context of amino acid structure, what primarily makes each of the 20 standard amino acids unique?11views
Multiple ChoiceIn proteinogenic amino acids, what primarily distinguishes one amino acid from another?13views
Multiple ChoiceIn proteins, what structural feature primarily differentiates one amino acid from another?11views
Multiple ChoiceIn a standard amino acid (the building block of proteins), which set of functional groups is always present in the backbone structure?12views
Multiple ChoiceIn proteins, what structural feature primarily makes one amino acid different from another?11views