Question

Which ami o acid is a precursor of neucliotide biosynthesis?

Answer 1

Phosphoribosyl pyrophosphate is a precursor of tryptophan and histidine, both essential amino acids. The biosynthetic pathway to histidine is interconnected with the purine synthetic pathway. Tyrosine can also be formed by hydroxylation of phenylalanine, an essential amino acid.

Answer 2

Answer:

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AA-tRNA as a precursor in synthesis of other tRNAs.

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