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Transcript
e. Produces 2 ATP’s (net)
II. Pentose Phosphate Pathway – this pathway is also referred to as the
hexose monophosphate pathway
a. This pathway can occur simultaneously with either of the other two
pathways
b. Can occur under aerobic or anaerobic conditions
c. Is an amphibolic pathway (both catabolic and anabolic)
d. Has different pathways than the other pathways
1) The phosphorylated 6-carbon sugar is converted into a 5carbon sugar (pentose ribulose 5-phosphate
2) Carboxylation occurs (release of carbon dioxide from a
carboxly containing compound)
3) NADPH is produced (this compound is normally associated
with photosynthesis)
e. The 5-carbon compound then enters a variety of pathways resulting
in phosphorylated sugars containing between 3 to 7 carbons. There
are two unique enzymes responsible for these pathway;
1) Transketolase
2) Transaldolase