Cellular Respiration
Cellular respiration is a process that takes place in the cells of living organisms to convertchemical energy from food into a form that can be used by the cells. The process of cellularrespiration is essential for the survival of all aerobic organisms. Cellular respiration includes anumber of different steps, all of which are necessary for […]
To start, you canCellular respiration is a process that takes place in the cells of living organisms to convert
chemical energy from food into a form that can be used by the cells. The process of cellular
respiration is essential for the survival of all aerobic organisms. Cellular respiration includes a
number of different steps, all of which are necessary for the conversion of energy from food into
a form that can be used by the cells. The first step of cellular respiration is glycolysis, which is
the breakdown of glucose into two molecules of pyruvate. The second step is the Krebs cycle,
which is the breakdown of pyruvate into carbon dioxide and water (Dr. D. Explains Stuff, 2020).
The third and final step is oxidative phosphorylation, which is the conversion of the energy from
the Krebs cycle into ATP, the energy source for the cells.
Cellular respiration is the process in which cells produce energy through the oxidation of
nutrients. This process occurs in the mitochondria, which are the cell’s powerhouses. Cellular
respiration is important for the production of energy in cells because it is responsible for the
breakdown of glucose, which is then used to produce ATP, the energy currency of the cell.
Cellular respiration is a complex process that involves the transfer of electrons between
molecules. The first step of cellular respiration is glycolysis, which is the breakdown of glucose
into two molecules of pyruvate (Bartee, Shriner, & Creech, 2017). The next step is the
conversion of pyruvate into acetyl-CoA, which enters the Krebs cycle. In the Krebs cycle, acetyl-
CoA is broken down into carbon dioxide and water, and ATP is produced. The final step of
cellular respiration is the electron transport chain, in which electrons are transferred to oxygen to
produce water. Cellular respiration is an important process for the production of energy in cells
because it provides the cell with the ATP it needs to carry out its functions.
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References
Bartee, L., Shriner, W., & Creech, C. (2017). Principles of biology: Biology 211, 212, and 213.
Open Oregon Educational Resources.
Dr. D. Explains Stuff. (2020). Cellular respiration explained! [Video]. YouTube.
https://www.youtube.com/watch?v=oAvBo76hm6g
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