Which of the following processes is associated with the Krebs cycle?

The process associated with the Krebs cycle is indeed the release of carbon dioxide and the yielding of ATP. The Krebs cycle, also known as the citric acid cycle or TCA cycle, functions in the mitochondria of eukaryotic cells where it plays a crucial role in cellular respiration.

During the Krebs cycle, acetyl-CoA, derived from carbohydrates, fats, and proteins, is oxidized. This oxidation process leads to the release of carbon dioxide as a waste product. Moreover, energy is extracted in the form of high-energy electron carriers such as NADH and FADH2, as well as a small amount of ATP directly through substrate-level phosphorylation.

This cycle is vital for the further production of ATP during oxidative phosphorylation, where the electrons carried by NADH and FADH2 feed into the electron transport chain. The significant aspects of carbon dioxide release and energy (ATP) yield highlight the Krebs cycle’s central role in metabolism and energy production in aerobic organisms.