Active Transport Story Board
Storyboard Text
- Hey Mindy! Why do you look so confused?
- Oh Sandra, I have an Integrated Science Exam tomorrow and I don't know what is active transport.
- Oh Mindy, I can help you with understanding active transport. That is simple.
- Let us use the seat by the street side.
- You will help me? I am so excited.
- So let us start, active transport is the movement of molecules from a region of low to high concentration.
- Ok. So it is the opposite of diffusion?
- That is correct. And so this process requires energy which is made in the mitochondria.
- I understand that so far. the mitochondria is the power house of the cell.
- Now you must also understand, that this process occurs against the concentration gradient and this is why energy is needed.
- Yes since molecules are moving from low to high concentration.
- Finally, there is a special protein that is taking the molecules from where they are few to where there are many.
- Thank you so much Sandra! I think I will do good on my test.
- Oh yes, this is called the carrier protein.
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