Created at 2:05 p.m. Sep, 13, 2025
Author: luke
Co-authors: Ahmed7
Related Note: 1474164932526 2
Rationale for change

This card incorrectly uses the term "positive feedback", as it implies that fructose-1,6-bisphosphate activating pyruvate kinase increases fructose-1,6-bisphosphate production. This does not occur. Rather, F1,6BP accumulates when glycolysis is active, and an increase in F1,6BP activates pyruvate kinase, a mechanism called feed-forward activation that promotes glycolysis. This term, feedforward or allosteric activation should be substituted for "positive feedback."

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