Animals, plants and other living things look different, and contain many different kinds of cells, but when you get down to it, all of us are just a bunch of cells – and that makes cells pretty much the most important thing when it comes to life!

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4 Responses to “Part 12: Cells”

  1. I don’t think we mention 3/4. But, but we do mention 4/3. That fraction is part of the formula to determine the volume of a sphere. This formula is explained at 8:40 in the video.

  2. elisabeth_hill says:

    Hi Aroura, I think I have missed something in the equation for measuring the molecule. Why are we using 3/4 ? Thanks.

  3. ronald_rohe says:

    Hi I can’t find the worksheet pages for part 12- 27 in high school biology is there a workpage?
    ~Emily Rohe