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Bio Lab Practical1

From the Study Guide

QuestionAnswer
Calipers Used to measure the internal dimensions, external dimensions, and the depth of objects.
Pipet Sucks up liquids.
Graduated Cylinder Used to measure larger amounts of liquid.
Meniscus Curvature of liquid in a pipet or cylinder.
Parts of a Compound Microscope 1. Oculars, side clip, objective, stage, aperture diaphragm, condenser, light source, luminous field diaphragm. 2. Power unit, Light intensity Indicators, On/off switch, Course focus knob, Fine focus knob, Stage controls
Parts of a Dissecting Microscope 1. Objective, Incident Light, Stage, Transmitted Light. 2. Course focus knob, on/off switch, base.
Total Magnification objective lens * ocular lens
Totipotency the ability of cells to undergo cell division and differentiate to regenerate.
Independent Variable The factor that is changed or manipulated by the experimenter.
Dependent Variable The factor that is observed/measured.
Controlled Variable Remains constant for all groups.
Continuous Variable Uses a logical order of numbers.
Discrete Variable Uses an unordered set of numbers.
Parts of a Scientific Paper Title, abstract, introduction, materials and methods, results, discussion, references.
Scientific Method Observation, Question, Hypothesis, Prediction, Experiment, Conclusion.
Shapes of Bacteria Cocci(balls grouped together), Baccilli (chain-like pills), Spirilli (Spiral), Vibrios (pear-like), Filamento (stick-like).
Created by: whaleydrew
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