Biology Lab Outlines

Biology Lab Outlines - BiologyLabOutlines 02:14...

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Biology Lab Outlines 02:14 Chapter 1 – Microscopes Microscopes are very important in biology Two types: compound microscope and stereoscopic dissecting microscope Compound microscope: Total magnification of a microscope lens system is the product of the ocular  lens and the objective lens magnifications Microscope is designed to be  parfocal , meaning a specimen should stay in  focus when the objective lens is changed The  working distance  is the distance between the end of the objective lens  and the slide Stereoscopic dissecting microscope: Has two advantages: o Allows us too see things too large for compound microscope but too small  for naked eye o Enables observation of objects in 3-D o Unlike compound microscope, doesn’t have own light source; lamp must  be used Other types of microscopy:
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Biology Lab Outlines - BiologyLabOutlines 02:14...

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