In the catabolic pathways of dietary nutrients, which step(s) produce(s) no ATP?

A) Krebs cycle
B) Oxidative phosphorylation
C) Glycolysis and the Krebs cycle
D) Glycolysis
E) ATP is produced in all of the steps in the catabolic pathways of dietary nutrients.

Catabolic Pathways

Biochemical routes within organisms that break down molecules into smaller units, releasing energy in the process.

Dietary Nutrients

Substances derived from food that are essential for health and growth, including vitamins, minerals, carbohydrates, proteins, and fats.

ATP

Adenosine triphosphate, a universal energy carrier molecule used by cells to store and transfer energy.