#Question id: 181
#Unit 1. Molecules and their Interaction Relevant to Biology
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
#Unit 1. Molecules and their Interaction Relevant to Biology
Which amino acid is least likely to participate in acid-base catalysis?
#Question id: 183
#Unit 1. Molecules and their Interaction Relevant to Biology
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
#Unit 1. Molecules and their Interaction Relevant to Biology
What is the approximate charge difference between glutamic acid and alpha-ketoglutarate at pH 9.5?
#Question id: 185
#Unit 1. Molecules and their Interaction Relevant to Biology
Match the amino acids with their correct functional group:
|
1. Indole |
i. Histidine |
|
2. Imidazole |
ii. Tryptophan |
|
3. Thiol |
iii. Cysteine |
|
4. Pyrrolidine |
iv. Proline |
#Question id: 186
#Unit 1. Molecules and their Interaction Relevant to Biology
What will be the net charge on given peptide at pH 5?