Structure and Properties of Amino Acids Which pair of amino acids absorbs the most UV light at 280 nm? Threonine & Histidine Phenylalnine & Proline Trp & Tyrosine Cystein & Asparagine Threonine & Histidine Phenylalnine & Proline Trp & Tyrosine Cystein & Asparagine ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Amino Acids The α-amino acids have a carboxyl group with a pK around __________ , and an amino group with a pK near __________ . 3.3, and 10.5 2.2, and 9.4 6.5, and 8.0 1.1, and 12.1 3.3, and 10.5 2.2, and 9.4 6.5, and 8.0 1.1, and 12.1 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Amino Acids Which of the following amino acid contain an imidazolium moiety? Valine Alanine Histidine Cysteine Valine Alanine Histidine Cysteine ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Amino Acids Which amino acid when exposed to ninhydrin produces a brown color? Alanine Asparagine Proline Valine Alanine Asparagine Proline Valine ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Amino Acids Which of the following is an essential amino acid? Tryptophan Methionine Lysine All of these Tryptophan Methionine Lysine All of these ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Amino Acids What is the heaviest of the twenty amino acids? Phenylalanine Tyrosine Histidine Tryptophan Phenylalanine Tyrosine Histidine Tryptophan ANSWER DOWNLOAD EXAMIANS APP