Glucose metabolism begins with its transport into cells via GLUT transporters, where it is phosphorylated to glucose 6 phosphate (Glucose 6 P). This molecule can enter various pathways, including the pentose phosphate pathway or hexosamine biosynthesis. The pentose phosphate pathway: An antioxidant defense and a crossroad in tumor cell fate ScienceDirect Pentose Phosphate Pathway (PPP), Purine and Pyrimidine Metabolism Cell Biology, Genetics, and Biochemistry for Pre Clinical Students Overview of Pentose Phosphate Pathway Creative Proteomics Pentose phosphate pathway Wikipedia The Electron Transport Chain and Pentose Phosphate Pathway biochemistry