The photosynthesis and cellular respiration processes are completely opposite, locked in a never-ending cycle. That cycle helps maintain the Earth 's atmosphere to keep the planet inhabitable by making the air breathable for organisms. Both have many differences between them, but they also have many similarities. They cause the perfect balance that 's essential to life, as we know it. They help different kinds of organisms obtain energy that they need for survival either directly as an autotrophic organism or indirectly as a heterotrophic organism.
Plant and algae cells and maybe even some bacterium are the predominant users of photosynthesis. For the chemical reaction to occur the presence of the sunlight …show more content…
The first is the Light Phase and the second is the Dark Phase (as known as The Calvin Cycle). The Light Phase involves the chloroplast absorbing both blue-violet and red light waves from the sun 's white light to be able to split apart the six water molecules. These molecules are split into six oxygen and twelve hydrogen atoms that only produces two ATP molecules, which is just enough to proceed to the next stage. The Calvin Cycle uses that previously created ATP to combine the six molecules of carbon dioxide with the twelve hydrogen molecules to create glucose. The glucose is a monosaccharide used to store cellular energy because it 's much more efficient than storing a lot of the regular molecules of ATP. It 's more efficient because it can hold much more ATP molecules in a small amount of …show more content…
There are anaerobic and aerobic stages and three steps within those stages. The first is the anaerobic stage, which takes place in the cytoplasm right outside the mitochondria; this is the first step, which is called Glycolysis. During which, the glucose molecule is broken down into two pyruvic acids. Then it passes the oxygen molecules and enzymes on to the next step while producing two molecules of ATP. Some microscopic organisms, like yeast and bacterium, can only use this process of respiration because they don 't have the necessary components for the next stage in the process. It produces just enough ATP for them to live off of, when organisms can only do this the process is called fermentation. There are two types of fermentation; alcoholic fermentation that is produced yeast, which is used by both the bakery and brewery industries. The second type of fermentation is called lactic acid, which is produced by bacterium and muscle cells. The second stage is the Aerobic stage, which includes the second and third steps. The second step is the Krebs cycle (as known as the Citric Acid) and the Electron Transport Chain. The Krebs cycle takes place within the cell 's mitochondria; it breaks down the pyruvic acids to release carbon dioxide. The third and final step is the Electron Transport Chain where most of the ATP molecules are produced. It produces the 36 molecules of ATP (18x more than the