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BIOD 171 PORTAGE LEARNING EXAM 3 2025 QUESTIONS AND ANSWERS Define the measurements micrometer and nanometer. - ....ANSWER ...-A micrometer is one-millionth of a meter and a nanometer is one-billionth of a meter. What are the two critical factors that influence your ability to see an object? ....ANSWER ...-The resolution and the contrast. Resolution is the distance between two objects where you can still see them as separate. Contrast is the difference in light between two objects. If you wish to increase the amount of light going into a microscope, what part would you adjust? - ....ANSWER ...-The iris diaphragm. As light passes through a microscope, what is the last piece that light passes before reaching your eyes? - ....ANSWER ...-Once light passes through the sample and the objective lens, it passes through the OCULAR LENS. ....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1