The appearance of letter e through scanning objective of a compound microscope. Introduction: A compound microscope is an instrument that magnifies an object. A compound microscope uses transmitted light as a source of light. The light passes through the sample and that only thin material may observe. The different parts of the microscope performed different functions. The coarse adjustment knob moves the stage towards or away from the objective lens to focus widely. The fine adjustment knob moves stage slightly for more sharp focus. The objective lens has different magnification powers that depend on the type of model. The 40x magnification is longer than 10x magnification. The eyepiece of the microscope has a 10x magnifying lens. The 10x objective lens magnifies 100 times and 40x objective lens magnifies 400 times. Mirrors in the microscope make the image to appear inverted and backward.

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Chapter 4, Problem 3.6A

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The appearance of letter e through scanning objective of a compound microscope.

Introduction:

A compound microscope is an instrument that magnifies an object. A compound microscope uses transmitted light as a source of light. The light passes through the sample and that only thin material may observe. The different parts of the microscope performed different functions. The coarse adjustment knob moves the stage towards or away from the objective lens to focus widely. The fine adjustment knob moves stage slightly for more sharp focus. The objective lens has different magnification powers that depend on the type of model. The 40x magnification is longer than 10x magnification. The eyepiece of the microscope has a 10x magnifying lens. The 10x objective lens magnifies 100 times and 40x objective lens magnifies 400 times. Mirrors in the microscope make the image to appear inverted and backward.

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After you feel comfortable with your counting method and identifying cells in the various stages of mitosis, use the four images below of whitefish blastula to count the cells in each stage until you reach 100 total cells, recording your data below in Data Table 1. (You may not need to use all four images. Stop counting when you reach 100 total cells.) After totaling the cells in each stage, calculate the percent of cells in each stage. (Divide total of stage by overall total of 100 and then multiply by 100 to obtain percentage.) Data Table 1Stage Totals PercentInterphase Mitosis: Prophase Metaphase Anaphase Telophase Cytokinesis Totals 100 100% To find the length of time whitefish blastula cells spend in each stage, multiply the percent (recorded as a decimal, in other words take the percent number and divide by 100) by 24 hours. (Example: If percent is 20%, then Time in Hours = .2 * 24 = 4.8) Record your data in Data…