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Life Size: What's in a microbe?
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In this activity on page 3 of the PDF, learners visualize the relative size and structural differences between microbes that have the potential to cause disease.
Cell Division
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This activity was designed for blind learners, but all types of learners can use it to investigate how, in a one-celled organism such as a bacterium, the division of cells increases the number of cell
Life Size: Line 'em up!
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In this activity on page 1 of the PDF, learners compare the relative sizes of biological objects (like DNA and bacteria) that can't be seen by the naked eye.
Coffee to Carbon
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In this activity, learners place cards featuring biological structures in order by their relative size from largest to smallest.