MB 303

Oregon State University

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Exam (elaborations)

Oregon State University MB303 Midterm Exam And 100% Solved Solutions 2025-2026 Updated.
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compound microscope - Answer a compound microscope has two types of lenses: ocular and objectives. magnification - Answer enlargement of objects resolution - Answer the ability to distinguish structures separated by short distances. parfocal - Answer the ability of a microscope to maintain approximate focus when switching between lenses. working distance - Answer the distance between the specimen and objective. refractive index - Answer the angle at which light r...
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MB303 Midterm 1 Exam Questions and Correct Answers.
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Simple stain - Answer Stain used to contrast between the specimen and its background Basic/cationic dye - Answer Color in the positive ion of the dye (eg methylene blue) Acidic/anionic dye - Answer Color in the negatively charged ion How are dyes used? - Answer The difference in the charge produced affinity between the dye and the bacterial cell Cocci - Answer Sphere-shaped bacteria Diplococci - Answer Pairs of cocci stuck together Streptococci - Answer Cha...
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MB 303 Final OSU Exam 2025-2026 Questions with Correct Verified Answers.
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Ocular lenses (eyepieces) - Answer Lenses closest to the eye, typically magnify 10X Ocular width adjustment - Answer Adjust for your eye span. Revolving nosepiece - Answer Can be rotated to change from one objective to another Objective lenses - Answer Three or four magnifications: 4X (very low power) 10X (low power) 40X (high power) 100X (oil immersion) Immersion oil used with the 100X objective has a refractive index approximately the same as glass - light passes thro...
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MB 302 Oregon State Exam 2 (lectures 9-17) Questions with Correct Verified Answers 2025-2026 Updated.
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Eukaryotes Reproductive Strategy - Answer Asexual and sexual Bacteria and Archea Reproductive Strategy - Answer Asexual (budding, multiple fission, spores) Binary fission steps - Answer 1. Cell elongation 2. Chromosome replication and separation 3. Septum formation 4. Cell division Growth in multicellular orgamisms - Answer Size of organism Growth in bacteria - Answer Observation of pop 1. Increase in # of cells or mass 2. Average number of cells Growth Curve -...
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