Question

Q3 oxaloacetate is a precursor
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Answer 1

Answer:

The oxaloacetate/aspartate family of amino acids is composed of lysine, asparagine, methionine, threonine, and isoleucine. ... The aspartate pathway uses L-aspartic acid as the precursor for the biosynthesis of one fourth of the building block amino acids.

Explanation:

Two of the TCA cycle intermediates, α-ketoglutarate and oxaloacetate serve as precursor metabolites for the biosyntheses of amino acids and nucleotides. ... The most important anaplerotic pathways are carbon dioxide fixation by either pyruvate carboxylase or PEP carboxylase, leading to the formation of oxaloacetate (Fig.