One of the basic tenets of cell theory is that “all cells only arise from pre-existing cells.” In fact, new cells are formed by the process of cell division, which gives two genetically identical daughter cells.
This activity provides detailed instructions for students to observe mitosis in plant cells.
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While batteries, screens and other electronic components get smaller and smaller, lenses have not done their part. Now, with a material science approach, scientists have created tiny meta-material lenses. Learn more: Read the research: http://scim.ag/1XkkseL