Okay class, for today we are going to talk about Cellular Respiration. Can someone tell me what it is?
Cellular Respiration is both used in animal and plant cells. Photosynthesis is the process in which plants use sunlight to synthesize food from CO2/ H2O.
Cellular Respiration is the process in which breaks down glucose to create ATP. The energy can then be made into kinetic energy.
Correct! It all starts with the sun/photosynthesis.
In Glycolysis, glucose is broken down into two molecules of pyruvate. It occurs in the cytoplasm. These reactions formed2ATP, 2 pyruvate, and 2NADH.
Converts glucose into pyruvate and a hydrogen ion, ADP and NADH are formed from the energy released from the process.
In Pyruvate Oxidation, pyruvate is transformed into an acetyl group. The resulting acetyl CoA is delivered to the citric acid cycle for further catabolism.
Next is the Krebs Cycle, the acetyl group from acetyl CoA is attached to a four-carbon oxaloacetate molecule to form a six-carbon citrate molecule. Through a series of steps, citrate is oxidized, releasing two carbon dioxide molecules for each acetyl group fed into the cycle. From this stage, 6NADH, 2 FADH2, and 2ATP is produced.
It has 8 steps
Next is the Electron Transport Chain. So, how does it work?
In The electron transport chain, electrons are transported from NADH/FADH2 to oxygen through a series of electron transporters embedded in the inner mitochondrial membrane.
The end product of cellular respiration is ATP, while the waste products are Carbon dioxide and water.
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