01:447:390- Final Exam Guide - Comprehensive Notes for the exam ( 71 pages long!)
4 Dec 2017
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A - small: <100 micrometers diameter -> need a microscope, unicellular, study of , bacteria, fungi, certain algae, viruses (not living) small size maintains high surface area to volume ratio -> important b/c maximizes chemical exchange with environment. 1. 9: bacteria and archea (prokaryotes, bacteria- big b - domain; bacteria- little b = prokaryotes ( bacteria + archea, viruses - not inculded in tree. Autani van l. ( 1632- 1723: microscopes - 50-300x magnification. 3 main features: magnification- ratio of size of the image seen to its actual size. Resolution- resolving power; measure of clarity; definition: minimum distance between two objects at which both can be seen separately: wavelength of light. Contrast- making something standout, look different form its background. As wavelength goes down the resolution goes up. The light passes thourgh blue filter and filters out longer wavelengths of light. Total mag- mag power of objective lens x mag power of ocular lens.
