Quick Biochemistry - Nucleic Acids (Section 2 - No. 15)
What is the primary factor determining the overall rate of de novo purine nucleotide biosynthesis, considering its concentration?
5-phosphoribosyl 1-pyrophosphate
5-phospho B-D-ribosylamine
Glycinamide ribosyl-5-phosphate
Formylglycinamide ribosyl-5-phosphate