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TLS Online TPP Program
#Question id: 158
#Section 2: General Biology
At the isoelectric pH of a tetrapeptide:
TLS Online TPP Program
#Question id: 159
#Section 2: General Biology
The chirality of an amino acid results from the fact that its alpha carbon:
TLS Online TPP Program
#Question id: 161
#Section 2: General Biology
Two amino acids of the standard 20 contain sulfur atoms. They are:
TLS Online TPP Program
#Question id: 162
#Section 2: General Biology
All of the amino acids that are found in proteins, except for proline, contain a(n):
TLS Online TPP Program
#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:
TLS Online TPP Program
#Question id: 165
#Section 2: General Biology
Amino acids are ampholytes because they can function as either a(n):