Cellular respiration
Storyboard Text
- Hi Jacob! How was your school?
- Very good mom, today in biology class, I learned about cellular respiration
- Oh! and how does that work?
- It's very easy mom, let me explain
- And what is glycolysis about?
- Look mom, cellular respiration is divided into 3 steps: Glycolysis, Krebs Cycle and Electron Transport Chain
- Oh! You're right, I already remembered.
- And where does glycolysis occur?
- Glycolysis is a series of reactions that extract energy from glucose by breaking it down into two three-carbon molecules called pyruvate.
- Glycolysis occurs in the cytosol of a cell.
- Wow mom! You are so intelligent!
- I remember that when I was your age, a teacher explained to me that the Krebs cycle is a set of reactions that occur in the mitochondria and that allow carbohydrates, lipids and amino acids to be completely oxidized, producing a large amount of metabolic energy.
- And then the electrons pass from one member of the transport chain to the next in a series of redox reactions. The energy released in these reactions is captured as a proton gradient, which is in turn used to form ATP in a process called chemiosmosis.
- this topic is very interesting!
- And the last thing the teacher explained to us was the Electron transport chain, which is a series of proteins and organic molecules found in the inner membrane of the mitochondria...
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