1) The document is about cell biology and microscopy notes from a class. It includes definitions of key cell biology terms and microscope usage instructions. 2) The cell theory states that all living things are made of cells, cells are the basic unit of structure and function, and living cells only come from other living cells. 3) Using a microscope, total magnification is calculated by multiplying the eyepiece power by the objective lens power, and as higher power lenses are used, detail increases but viewing area decreases.