cellular respiration comic

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  • The heterotrophs consume other organisms to obtain energy in the form of glucose. The glucose is found in carbohydrates and fats. These are then broken-down with water (H2O) to make Glucose. Heterotrophs also gain proteins from organisms as well.
  • Hello Class! today I will be describing Cellular Respiration. It is the process that fuels the actions of organisms!
  • This chemical energy, found in glucose, is processed in an organelle, called the mitochondrion.
  • Celluar respiration all starts with heterotrophs and autotrophs. Heterotrophs consume other organisms to gain chemical energy while autotrophs can produce their own energy.
  • The first step of respiration is called Glycolysis. It occurs in the cytoplasm and splits a glucose molecule into 2 pyruvate, which will be broken down further to obtain more energy out of it.
  • On the contrary, cellular respiration tasks that require oxygen (O2) are called aerobic tasks or aerobic respiration. Aerobic tasks consume O2 and produce Carbon dioxide (CO2)
  • Glycolysis doesn't require any oxygen, therefore it is considered an anaerobic task. (A task that doesn't require oxygen)
  • The processes of cellular respiration also produces ATP (Adenosine Triphosphate)
  • There are also other means of acquiring energy that micro organisms take advantage of to survive. This process is called fermentation
  • ATP molecules are packets of stored energy that organisms use to function.
  • Usually, fungi and some bacteria will use Alcoholic Fermentation, and muscle cells use Lactic Acid fermentation.
  • Fermentation is a method that organisms use to produce ATP when there isn't a lot of Oxygen for Organisms to utilize.
  • There are two types of Fermentation. Alcoholic fermentation and Lactic Acid Fermentation.
  • Alcoholic Fermentation occurs when Pyruvate is changed into energy, CO2 and Ethanol Alcohol (Drinking alcohol).
  • In both instances, energy is produced with out the presence of oxygen.
  • Lactic Acid Fermentation works similarly to Alcohol Fermentation. In this version of fermentation, Pyruvate is change into energy and Lactic acid.
  • Well, thats a basic summary of Cellular respiration!
  • Class is dismissed!
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