The Process of Cellular Respiration

By, Miranda Uribe

What is Cellular Respiration?

Cellular Respiration is the chemical process that generates most of the energy in the cell, and supplies the molecules with the energy so they can make metabolic reactions. The main energy that will be harvested in this chemical reaction is ATP.

Step Zero

Once the process of photosynthesis comes to an end it doesn't stop there in the cell. The products of photosynthesis become the reactants in cellular respiration that are broken down to create ATP. All living organisms do this process of of cellular respiration in order to get energy.
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Step One

In order to get this process going you need the reactants to make the product of energy. You need glucose and oxygen.

Step Two

In order to get the reactants, food must be consumed, digested, and broken down into molecules that can enter the bloodstream. These three tasks must be preformed by heterotrophs before cellular respiration can occur.

Cellular Respiration begins

In this first step the cytoplasm is the holding tank where the glucose is broken down into smaller molecules. This is the first step in cellular respiration, also called Glycolysis. Glycolysis is the literal breakdown of glucose.

Krebs Cycle

In Glycolysis we get very little energy. Only 2 ATP molecules are yielded from that whole ten step process. With the Krebs cycle most of the energy for the cell is made in only eight steps. This process takes places in the mitochondria and uses oxygen to create carbon dioxide and water as waste products and result in energy.

Electron Transport Chain

This is the very last step in the production of energy for one cell. This step produces the most amount ATP.
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Types of respiration

In the beginning we talked about how there was cellular respiration. There are actually two kinds of respiration, Aerobic and Anaerobic respiration.

Plants or Animals?

Cellular respiration occurs in both plants and animals. Aerobic respiration occurs in both plants and animals as well, so does anaerobic respiration. Cellular respiration is a process that all living organisms can't live without. Neither of them can survive without photosynthesis either.
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The End

In the end photosynthesis and cellular respiration are two very important processes that make glucose and break it down to obtain energy for a cell and all living organisms to function.
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