#Question id: 156
#Unit 1. Molecules and their Interaction Relevant to Biology
What is the N-terminal for the pentapeptide Val-Ile-Glu-Arg-Tyr?
#Question id: 157
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following statement describes the primary structure of a protein
#Question id: 158
#Unit 1. Molecules and their Interaction Relevant to Biology
At the isoelectric pH of a tetrapeptide:
#Question id: 159
#Unit 1. Molecules and their Interaction Relevant to Biology
The chirality of an amino acid results from the fact that its alpha carbon:
#Question id: 160
#Unit 1. Molecules and their Interaction Relevant to Biology
Of the 20 standard amino acids, only ___________ is not optically active. The reason is that its side chain ___________.
#Question id: 161
#Unit 1. Molecules and their Interaction Relevant to Biology
Two amino acids of the standard 20 contain sulfur atoms. They are: