![]() What structures can you see in human skin cells? Nucleus, Cytoplasm, and membran C. Turn off Show labels and turn on Show scale bars. A. Which focus knob is easier to use at 40x? 400x? Coarse, coarse B. Turn on Show labels. 2. Manipulate: With 40x selected, use the Coarse and Fine focus sliders to focus on the sample. Then, choose 400x and focus on the sample using the Fine focus slider. B Slide : A rectangular piece of glass upon which a sample is mounted for viewing under a microscope. ![]() ![]() E Objective lens : A second lens that further magnifies the sample. Microscopes usually have several objectivelenses with different magnifications. The totalmagnification is the product of the eyepiece magnificationand the objective lens magnification. D Fine focus knob : Small knob that moves the stage over a short distance to refine the focus. C Coarse focus knob : Large knob that moves the stage up and down to focus the sample. A Eye piece : Lens at the top of the microscope that the user looks through. This lens most commonly magnifies asample by 10x. ![]() F Stage : Platform where a slide is placed. Question: What are similarities and differences between cells from different organisms? 1. Match: Read about each microscope part. Match the description to the part on the diagram. Introduction: Complex organisms are made up of smaller units, called cells. Most cells are too small to be seen by the naked eye. Microscopes are used to magnify small objects, so here you will use a compound light microscope to observe the cells of different organisms.
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