Which one of the following statements, concerning metabolism, is NOT correct?
O In a metabolic pathway, a specific molecule is altered in a series of steps to produce a
substrate
Each step is catalyzed by a specific enzyme, a macromolecule that speeds up a specific
reaction
Catabolic pathways are described as "uphill reactions," whereas anabolic pathways are
"downhill"
O Bioenergetics is the study of how energy flows through living organisms