Which of the following pairs of pathways, if active at the same time, would be considered a futile cycle?
A)gluconeogenesis and citric acid cycle
B)fatty acid $\beta$-oxidation and glycolysis
C)fatty acid synthesis and glycolysis
D)fatty acid synthesis and citric acid cycle
E)glycolysis and gluconeogenesis

Question

Quizplus · Accepted Answer

Glycolysis and gluconeogenesis are considered a futile cycle when active simultaneously because they essentially reverse each other's actions, consuming energy in the process without producing any net gain of useful energy or metabolic intermediates.

Which of the Following Pairs of Pathways, If Active at the Same