Biology 1290B Lecture Notes - Lecture 2: Red Blood Cell, Electron Microscope, Optical Microscope
25 Apr 2016
School
Department
Course
Professor
Document Summary
Width of a figure thickness of human hair. Electronmicroscopes: transmission and scanning electron microscopes can only capture black and white images if there is colour it was added artificially later use electrons large and very expensive, electron microscopes can not view living samples. Compound and stereo microscope use light smaller and inexpensive. 2. enhance visualization of the cell or certain cellular components under a microscope. Cells may also be stained to highlight metabolic processes or to differentiate between live and dead cells in a sample: cells may also be enumerated by staining cells to determine biomass in an environment of interest.
