Multiple ChoiceWhich of the following statements about amino acid neurotransmitters is incorrect?78views
Multiple ChoiceWhich statement correctly describes the probable locations of amino acids within a globular protein in aqueous solution?77views
Multiple ChoiceWhen an aminoacyl-tRNA synthetase charges a tRNA, which of the following occurs?61views
Multiple ChoiceWhich of the following amino acids contains a positively charged (basic) side chain at physiological pH?74views
Multiple ChoiceWhich of the following statements about the 20 standard amino acids is correct?73views
Multiple ChoiceIn proteinogenic amino acids, what primarily distinguishes one amino acid from another?10views
Multiple ChoiceIn amino acids, what structural feature primarily gives each amino acid its unique chemical properties?5views
Multiple ChoiceWhich of the following amino acids contains a positively charged (basic) side chain at physiological pH?88views
Multiple ChoiceWhich of the following is NOT a way in which amino acids can be utilized in the human body?74views
Multiple ChoiceWhich of the following is not an example of a structural grouping of amino acids?995views5rank1comments