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Yes, ATP can be formed in the presence of oxygen through the process of oxidative phosphorylation in mitochondria. During this process, energy is derived from the oxidation of nutrients, such as glucose and fatty acids, to produce ATP molecules that can be used as a source of energy for cellular activities.
During anaerobic respiration, a cell can extract two molecules of ATP per molecule of glucose through glycolysis. It does not require oxygen to generate ATP through this process.
In aerobic respiration, 36 or 38 molecules of ATP per molecule of glucose, depending on how many are gained through the electron transfer system.In anaerobic respiration 2 molecules of ATP per molecule of glucose, though higher yields can occur in higher temperatures (as much as 9 ATP molecules per molecule of glucose)
FADH2 allows for the formation of 2 molecules of ATP during the Kreb's cycle.
The main purpose of respiration is to produce energy in the form of ATP (adenosine triphosphate) by breaking down glucose molecules in the presence of oxygen. ATP is the primary energy source used by cells to carry out their functions.
The products of the light reaction are ATP, NADPH, and oxygen. These molecules are formed through the process of photophosphorylation in the thylakoid membrane of chloroplasts. Water is split into oxygen, protons, and electrons, providing the electrons needed to generate ATP and NADPH.