#Question id: 157
#Section 2: General Biology
Which of the following statement describes the primary structure of a protein
#Question id: 158
#Section 2: General Biology
At the isoelectric pH of a tetrapeptide:
#Question id: 159
#Section 2: General Biology
The chirality of an amino acid results from the fact that its alpha carbon:
#Question id: 161
#Section 2: General Biology
Two amino acids of the standard 20 contain sulfur atoms. They are:
#Question id: 162
#Section 2: General Biology
All of the amino acids that are found in proteins, except for proline, contain a(n):
#Question id: 164
#Section 2: General Biology
The uncommon amino acid selenocysteine has an R group with the structure —CH2—SeH (pKa = 5). In an aqueous solution, pH = 7.0, selenocysteine would: