AP BIOLOGY

Detailed explanation-1: -There are three main steps of cellular respiration: glycolysis; the citric acid (TCA) or the Krebs cycle; and the electron transport chain, where oxidative phosphorylation occurs. The TCA cycle and oxidative phosphorylation require oxygen, while glycolysis can occur in anaerobic conditions.

Detailed explanation-2: -Cellular respiration is a metabolic pathway that breaks down glucose and produces ATP. The stages of cellular respiration include glycolysis, pyruvate oxidation, the citric acid or Krebs cycle, and oxidative phosphorylation.

Detailed explanation-3: -1. Respiration is the process in which glucose (sugar) is broken down with the help of oxygen to produce carbon dioxide, water and energy. 2. The chemical reaction of respiration is. C6H12O6+O2⟶CO2+H2O+Energy.

Detailed explanation-4: -Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by-products and ATP is energy that is transformed from the process.