#Question id: 942
#1. Molecules and their Interaction Relevant to Biology
a-ketoglutarate is a precursor for each of the following, except
#Question id: 943
#1. Molecules and their Interaction Relevant to Biology
An amino acid formed by transamination of a citric acid cycle intermediate is ________.
#Question id: 944
#1. Molecules and their Interaction Relevant to Biology
Because they lack aspartate kinase and aspartate semialdehyde dehydrogenase, ________ cannot synthesize lysine, methionine or threonine.
#Question id: 945
#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: 946
#1. Molecules and their Interaction Relevant to Biology
Aspartate is the precursor for which of the following amino acids?
#Question id: 947
#1. Molecules and their Interaction Relevant to Biology
Which is not part of the synthesis reactions for histidine?