Added: 4 years ago
From: Campbellteaching
Views: 12,613
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  • I love it..

    Amazing

  • Why does he grin after he says "rough"? I love the way he says it too, that's how my cousin thought dogs bark when he was 5

  • you are great +++=

  • Hes fastastic... Its amazing how 10 minutes of a youtube video can enable me to understand 100 times more what i would learn in 3 hours bio class

  • WAIT

    rER has to be attached to the nuclear pore!! he drew it wrong!

  • This is great! Please post more!

  • Thank you! You make Biology so much simpler. Can u tell me what happened to Biology video 2

  • Thank you, thank you, thank you! Great video.

  • thank you

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