#Question id: 943
#Unit 1. Molecules and their Interaction Relevant to Biology
An amino acid formed by transamination of a citric acid cycle intermediate is ________.
#Question id: 945
#Unit 1. Molecules and their Interaction Relevant to Biology
A key precursor in the synthesis of aromatic amino acids (tryptophan, tyrosine and phenylalanine) is ________.
#Question id: 947
#Unit 1. Molecules and their Interaction Relevant to Biology
Which is not part of the synthesis reactions for histidine?
#Question id: 948
#Unit 1. Molecules and their Interaction Relevant to Biology
Glycine is a precursor for all of the following except
#Question id: 949
#Unit 1. Molecules and their Interaction Relevant to Biology
Nitric oxide is produced from which reaction?
#Question id: 950
#Unit 1. Molecules and their Interaction Relevant to Biology
Nitric oxide is formed from arginine. It is a messenger molecule with several functions that include all below except