Aerobic Respiration

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Cellular respiration is an important function for the body to obtain energy (Citovsky, Lecture 18). There are two types of cellular respiration; aerobic conditions and anaerobic conditions. Aerobic conditions are the cellular respiration occurred with oxygen while anaerobic conditions are cellular respiration occurred without oxygen. The most common cellular respiration is aerobic conditions where oxygen were supplied for phosphorylation (Campbell et al., pg 177). In human body, anaerobic conditions occurred when muscle cells are overworked and oxygen is depleted before it could be replenished (Citovsky, Lecture 19). This is a common phenomenon during exercise. The accumulation and production of lactic acid from anaerobic cellular respiration has been always a cause of muscle sore from intense exercise (Campbell et al., pg. 179). In cellular respiration, glucose with ADP and Phosphate group will be converted to pyruvate and ATP through glycolysis. NAD+ plays a major role in glycolysis and will be converted …show more content…

I agree with him that acetyl CoA is formed in aerobic respiration from pyruvate when the oxygen is present. However, he also mentioned that acetyl CoA is produced from Krebs Cycle which do not require oxygen. I agree with Moez, the Undergraduate TA that there is a contradiction of his statement on acetyl CoA. I believe that might be a typing mistake and he chose choice C acetyl CoA as the correct answer. In Adrian’s comment on real world application of anaerobic respiration, he mentioned that anaerobic respiration affects many processes such as assimilation of carbon dioxide to acetate. In addition to that, anaerobic respiration also affects processes in bacteria such as denitrification. When there is a limited supply of oxygen, bacteria synthesize energy through denitrification. Therefore, anaerobic respiration has a significant role on bacteria production of energy when oxygen is

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