Which of the following is true about ATP production through cellular respiration?

ATP production through cellular respiration occurs through multiple pathways, making the assertion that all mentioned methods are involved accurate.

Cellular respiration can be broadly divided into three main stages: glycolysis, the citric acid cycle, and oxidative phosphorylation. ATP is produced during each of these stages.

Glycolysis, which occurs in the cytoplasm, breaks down glucose into pyruvate, generating a net gain of a small amount of ATP directly through substrate-level phosphorylation.

The citric acid cycle, occurring in the mitochondria, further processes the pyruvate to produce electron carriers (NADH and FADH2) that aid in ATP production later.

Finally, during oxidative phosphorylation, the majority of ATP is produced. This process takes place in the inner mitochondrial membrane and relies on the electron transport chain and chemiosmosis, where the energy from electrons is used to pump protons across the membrane, creating a gradient that drives ATP synthesis.

Given these details, it's clear that ATP is produced through glycolysis, the citric acid cycle, and oxidative phosphorylation, confirming that the response indicating all methods contributes to ATP production is correct. This highlights the cooperative nature of cellular respiration in generating energy for cellular activities.