Difference Between Aerobic and Anaerobic Respiration (With Table)

Aerobic vs Anaerobic Respiration

The process by which energy is released inside the cells due to the breaking of glucose molecules is called Cellular respiration.

This process is further subdivided into 2 categories known as Aerobic and Anaerobic Respiration that is based on oxygen usage.

Aerobic Respiration is the sub-category of cellular respiration that uses oxygen to produce energy from food. The term Aerobic is derived from the word Oxygen itself.

The by-product of aerobic cellular respiration is carbon dioxide and Adenosine triphosphate (ATP).

Anaerobic Respiration is the sub-category of cellular respiration that does not use oxygen to produce energy from food. The term Anaerobic is derived from the word Not Oxygen itself.

The by-product of anaerobic cellular respiration is lactic acid and ATP. Keep in mind that ATP is the energy currency of all the cells.

Anaerobic respirations use relatively less amount of energy as the glucose is not completely broken down as compared to aerobic cellular respiration due to the presence of oxygen in the process of respiration.

The key difference between Aerobic and Anaerobic Respiration is that the Aerobic respiration process is dependent on oxygen whereas the anaerobic respiration does not depend on oxygen for energy production.

The process of cellular respiration either happens in the mitochondria or in the cytoplasm by either the Aerobic or the Anaerobic Respiration mechanism.


 

Comparison Table Between Aerobic and Anaerobic Respiration (in Tabular Form)

Parameter of ComparisonAerobic RespirationAnaerobic Respiration
DefinitionAerobic respiration involves energy production, by breaking down the glucose using oxygen.Anaerobic respiration involves energy production, by breaking down the glucose without using oxygen.
Process DurationIt is a slow and time-consuming process.It is comparatively faster than the aerobic process.
Combustion ProcessAerobic respiration has the complete combustion process.Anaerobic respiration has the incomplete combustion process.
RequirementsIt involves the presence of oxygen and glucose for the process to take place.It involves the presence of only oxygen for the process to take place.
End ProductsCarbon Dioxide and Water are produced as the byproducts of the process.Ethanol, Lactic acid and Carbon dioxide are produced as the byproducts.
Amount of Energy ProductionIt involves a high amount of energy production due to the presence of oxygen to completely breakdown glucose.It involves a relatively low amount of energy production due to the absence of oxygen to completely breakdown glucose.
EquationGlucose + Oxygen à Water + Energy + Carbon DioxideGlucose à Energy + Lactic Acid
ExamplesEukaryotes like plants and animals are common examples of Aerobic Respiration.Eukaryotes like those present in human muscle cells and bacteria, yeast etc. are common examples of Anaerobic Respiration.
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What is Aerobic Respiration?

Aerobic Chemical Reaction is the enzyme-catalyzed chain reaction that involves breaking down glucose molecules to produce energy in the presence of oxygen.

The end products of these chemical reactions yield byproducts like Carbon dioxide, water and a lot of energy. Around 2900 kJ/mol of glucose, is released as energy after this process.

Chemical Equation for Aerobic Respiration

Glucose + Oxygen → Carbon dioxide + Water + Energy

Carbon Dioxide and Water are produced as the byproducts of the process along with ATH i.e. Adenosine triphosphate. ATH drives energy to the cells to drive various processes like muscle movement or chemical synthesis etc.

This chemical respiration is very common in animals and plants. If we see our breathing pattern, we inhale a lot of oxygen and in return exhale carbon dioxide.

As the oxygen reaches different cells of the body that already contains glucose, which is then broken down to release carbon dioxide and water.

This is utilized by our body and carbon dioxide is then released out to the atmosphere.

Aerobic Respiration
 

What is Anaerobic Respiration?

Anaerobic Chemical Reaction is the enzyme-catalyzed chain reaction that involves breaking down glucose molecules to produce energy in the absence of oxygen.

The end products of these chemical reactions yield byproducts like Carbon dioxide, Alcohol, and Energy.

Chemical Equation for Anaerobic Respiration

Glucose → Alcohol + Carbon dioxide + Energy

In response to a shortage of oxygen to the human body, we humans tend to also exhibit anaerobic chemical respiration.

While we are undergoing heavy-duty tasks like running, playing, sprinting or exercising, our body requires a lot of extra energy.

This extra energy demand is fulfilled by our muscle cells by undergoing an anaerobic respiration process.

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In case you ever have a muscle cramp while playing or exercising, then you know who you have to blame now.

Due to lack of oxygen, the glucose breakdown is not complete which might result is the development of lactic acid as a byproduct.

Glucose → Lactic acid + Energy

Thus, we can say that the anaerobic respiration produces relatives lower amount of energy compared to aerobic respiration due to lack of oxygen in the process.

Anaerobic Respiration

Main Differences Between Aerobic and Anaerobic Respiration

Although both are methods of energy generation via chemical respiration there exist a lot of differences between Aerobic and Anaerobic Respiration when it comes to oxygen usage and energy production.  

  1. Aerobic respiration involves the usage of oxygen to breakdown glucose while anaerobic respiration involves the absence of oxygen to breakdown glucose and produce energy.
  2. Anaerobic respiration only occurs in the cytoplasm whereas the anaerobic chemical respiration occurs in cytoplasm and mitochondria.
  3. Anaerobic chemical respiration involves very less amount of energy production in ATPs when compared to Aerobic respiration.
  4. Incomplete Combustion process occurs in anaerobic respiration whereas complete combustion is observable in Aerobic Respiration.

 

How to Remember the Difference Between Aerobic and Anaerobic Respiration

Time Needed : 2 minutes

Remembering the differences is very simple, just follow our mind mapping guide given below:

  1. Associate the first word with a thing or item which you see daily

    For e.g.: Middle line in letter H for Horizontal

  2. Associate the second word with a thing or item which you see daily

    For e.g.: The two lines in letter V for Vertical

  3. Recall the two words daily two times

    During morning and evening bring up the two words in front of you and then recall the things that you had associated with each word.

  4. Repeat for 7 days

    Repeating this process for a week will help you remember the difference between words for a long time


 

Infographic

Aerobic Respiration, vs Anaeroboic Respiration.,

 

Learn More With the Help of Videos


 

Conclusion

Both processes i.e. Aerobic and Anaerobic Respiration are important for all living beings to survive as the respiration process is crucial for the existence of life on earth.

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The energy requirements of various livings beings are fulfilled by these two Chemical Respiration processes.

While Aerobic chemical respiration encompasses the use of oxygen to break glucose and produce energy.

On the other hand, anaerobic respiration involves the absence of oxygen to break glucose and produce energy.

Also, anaerobic chemical respiration involves less energy production due to a lack of oxygen to break down glucose completely.

However, this can be really crucial in cases where oxygen supply is very limited.

But all in all both Aerobic and Anaerobic Respiration processes are great ways for humans and all living beings to survive as chemical respiration is decisive for existence.


 

Word Cloud for Difference Between Aerobic and Anaerobic Respiration

The following is a collection of the most used terms in this article on Aerobic and Anaerobic Respiration. This should help in recalling related terms as used in this article at a later stage for you.

Word Cloud for Aerobic and Anaerobic Respiration

 

References

  1. https://www.bbc.co.uk/bitesize/topics/zvrrd2p/articles/zth9ng8
  2. https://www.brightstorm.com/science/biology/cell-functions-and-processes/aerobic-respiration/
  3. https://www.bbc.co.uk/bitesize/topics/zvrrd2p/articles/zcsbmsg
  4. https://teachmephysiology.com/basics/atp-production/anaerobic-respiration/

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