MMBIO 222 BYU Dr. Black Final Study Guide Questions with Complete Solutions

Ocular lens Correct Answer-Eyepiece, adds 10x magnification 4x Correct Answer-red lens resolving power Correct Answer-The ability of a microscope to differentiate two closely spaced objects as being distinct from one another (as magnification inc, rp inc) resolving power of a light microscope Correct Answer-0.2 micrometers (μm) numerical aperture Correct Answer-The ability of a lens to gather light parfocal Correct Answer-A specimen in focus under a lower power objective lens should be nearly in focus under a higher power objective lens working distance Correct Answer-Distance from the end of the objective lens to the top of the slide when the specimen is in focus Three locations where bacteria are found Correct Answer-Fomites (non-living objects)