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Role of Oxygen In Cellular Respiration
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Transcript
Work Cited
Info Continued
- http://study.com/academy/lesson/role-of-oxygen-in-cellular-respiration.html#lesson
- http://www.ehow.com/about_6554251_oxygen-important-cellular-respiration_.html
- https://quizlet.com/10508376/exam-2-cellular-respiration-study-guide-flash-cards/
- The Krebs cycle is a series of enzymatic reactions that catalyzes the aerobic metabolism of fuel molecules to carbon dioxide and water, thereby generating energy for the production of adenosine triphosphate (ATP) molecules.
- The Krebs cycle is so named because much of its elucidation was the work of the British biochemist Hans Krebs.
- Many types of fuel molecules can be drawn into and utilized by the cycle, including acetyl coenzyme A (acetyl CoA), derived from glycolysis or fatty acid oxidation .
- Some amino acids are metabolized via the enzymatic reactions of the Krebs cycle.
- In eukaryotic cells , all but one of the enzymes catalyzing the reactions of the Krebs cycle are found in the mitochondrial matrixes.
Additional Info
- Glycolysis is the first step in cellular respiration, and it occurs in the main compartment of the cell: the cytoplasm.
- Cells let glucose in from the blood--the glucose comes from the food we eat. Next, cells convert glucose through several different compounds to make two ATP molecules and a molecule called pyruvate.
- A compound called NADH (nicotinamide adenine dinucleotide + hydrogen) is also created.
- This molecule stores electrons harvested from the glucose, which will be used later to create a larger amount of ATP.
Formula
Glucose + Oxygen Carbon dioxide + Water + Energy
- In this formula oxygen is a product
- Without oxygen there could be no energy made I this equation
- At the end of the electron transport chain in the mitochondria, electrons are donated to oxygen (O2), which combines with hydrogen ions to form water. Without the O2 molecules to accept the electrons, the electron transport chain couldn't function.
What is Cellular Respiration?
- Cellular respiration is the process used to make energy
- This process contains both aerobic and anaerobic processes
- It originated from the aerobic process which has a relationship with organismal respiration
- Our body cells need oxygen to do this process, although other organisms, like yeast or bacteria, don't always need it.
What Is Oxygen?
Role of Oxygen In Cellular Respiration
- Oxygen is a oderless, non-visable gas that humans breath in on a daily basis (also known as O2)
By: Jacque` E. Henley
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