Cellular Respiration Fun
Storyboard Text
- I learned about cellular respiration today! It is the process of breaking down glucose into ATP.
- I remember the first step, glycolysis. Glycolysis is the step that converts the 6-carbon glucose molecule into two, 3-carbon pyruvate molecules, essentially splitting glucose in half.
- That is correct. I loved learning about cellular respiration. Do you remember any of the steps?
- I am blanking on the other two. Pleaseeee explain.
- Krebs cycle provides great quantities of ATP providing energy for the cell, taking place in the mitochondria. It breaks down pyruvate from glycosis releasing CO2 and producing NADH, FADH2, and ATP.
- The two remaining steps of cellular respiration are the citric acid cycle, also known as krebs cycle, and oxidative phosphorylation.
- That's right! There are still 2 other important steps remaining. Do you know them?
- The third step of cellular respiration is oxidative phosphorylation which takes place in the inner mitochondrial membrane. In this stage, NADH and FADH2 from the other two steps donate their electrons. These electrons move across the transport chain and release energy used to move H+ from the matrix, into the inter membrane space. This creates a electrochemical gradient that is used to produce ATP.
- Very cool. Thank you! Bye
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