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What is the difference between anaerobic & aerobic respiration? Name some organism that uses the aerobic mode of respiration?

Last updated date: 28th Feb 2024
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IVSAT 2024
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Hint:  Aerobic respiration happens in many plants and animals (eukaryotes). Anaerobic respiration happens in human muscle cells (eukaryotes), bacteria, yeast (prokaryotes), etc.

Complete answer: To answer this question, first, we have to know the different modes of respiration in an organism.
Respiration is the movement of oxygen from the outside environment to the cells within tissues, and the removal of carbon dioxide in the opposite direction. Respiration is of two types : aerobic and anaerobic respiration.
Aerobic respiration is a fixed metabolic reaction that takes place in the presence of oxygen, going on in a cell to transform chemical energy into ATPs. Anaerobic respiration is a process of cellular respiration in which the excessive energy electron acceptor is neither oxygen nor pyruvate derivatives.

Aerobic Respiration

Anaerobic Respiration

Oxygen is required for this type of respiration to take place.

No requirement of oxygen in this process.

It involves the exchange of gases between the organism and the outside environment.

Exchange of gases is there but oxygen gas does not take part.

Process of respiration takes place in the cytoplasm and the mitochondria.

Takes place in the cytoplasm only.

Glucose breaks down or complete oxidation into carbon dioxide and water.

Glucose breaks down into ethyl alcohol, carbon dioxide, and energy.

All higher organisms such as mammals perform this type of respiration.

Lower organisms such as bacteria or other prokaryotes and yeast follow this type of respiration.

Anaerobic respiration is performed with the aid of using yeast and different anaerobic organisms like lactic acid bacteria, E.coli, Staphylococcus, and Clostridium etc.

Additional information: The aerobic pathway is referred to as the Krebs citric acid cycle and the cytochrome chain.
In those steps the by-product of the initial anaerobic glycolysis step is oxidized to provide carbon dioxide, water, and plenty of energy-wealthy ATP molecules.
 All collectively, a lot of these steps are called cellular respiratory.

Note: Glucose and oxygen react collectively in cells to provide carbon dioxide and water and release energy. The response is called aerobic respiration because oxygen from the air is needed for it to work. The mitochondria, found inside the cell cytoplasm, are in which most respiratory happens.
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