Biology > EXAM > MCAT BIOLOGY EXAM| 1839 QUESTIONS| WITH COMPLETE SOLUTIONS (All)

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MCAT BIOLOGY EXAM| 1839 QUESTIONS| WITH COMPLETE SOLUTIONS

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Cell Theory Correct Answer: -all living things composed of cells -cell=basic functional unit of life -cells from other cells only -cells have DNA (parent-->daughter cells) magnification Correct ... Answer: increase size resolution Correct Answer: differentiate close objects eyepiece magnification Correct Answer: 10x objective magnification Correct Answer: 4x,10x,20x, 100x total magnification Correct Answer: eyepiece x objective diaphragm (microscope) Correct Answer: controls light image contrast hematoxylin Correct Answer: -commonly used dye -shows nucleic acids (DNA,RNA) how does the dye hematoxylin show nucleic acids? Correct Answer: binds to the negative sugar-phosphate backbone phase contrast microscope Correct Answer: -living organisms -differences in refractive indices among different subcellular structures electron microscope Correct Answer: -atomic level -samples must be sliced thinly and impregnated with heavy metals for contrast prokaryotes Correct Answer: before nuclei (no nuclei) eukaryotes Correct Answer: after nuclei types of prokaryotes Correct Answer: bacteria and blue-green algae prokaryote characteristics Correct Answer: -unicellular -no nucleus or membrane bound organelles -cell wall in all -ability to carry other pieces of DNA What type of genetic ma [Show More]

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