#Question id: 178
#XL - T Zoology
Given the pKa values of different acidic sites in cysteine, the principal ionic form which will never exist at any pH
#Question id: 180
#XL - T Zoology
Which of the following statements about aromatic amino acids is correct?
#Question id: 181
#XL - T Zoology
Titration of valine by a strong base, for example NaOH, reveals two pK’s. The titration reaction occurring at pK2 (pK2 = 9.62) is:
#Question id: 182
#XL - T Zoology
Which amino acid is least likely to participate in acid-base catalysis?
#Question id: 183
#XL - T Zoology
At pH 7.0, converting a glutamic acid to gamma-carboxyglutamate, will have what effect on the overall charge of the protein containing it?
#Question id: 184
#XL - T Zoology
What is the approximate charge difference between glutamic acid and alpha-ketoglutarate at pH 9.5?