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Microscopes + Cells

Minitest 2 Microscope and Cell Parts

QuestionAnswer
Connects head to base Arm
Raises and lowers stage to focus specimen Coarse Adjustment Knob
Concentrates light on specimen Condenser
Focuses specimen; used for higher, powerful lenses Fine Adjustment Knob
Allows objective lenses to be switched Nosepiece
Magnifies image Objective and Ocular Lenses
Where slide sits Stage
List 3 ways to regulate lighting your specimen 1.Rasie or lower condenser 2. Adjust light control 3. Adjust diaphragm
What should be used to clean microscope lenses? Grit free lens tissue
Which lens should you use when you first focus on a specimen? Low power
Which lens should be in place when you complete using the microscope? Low power
What does parfocal mean? The image stays focused when changing lenses
Explain why you only use coarse focusing when using the lowest power objective? Because the slide may hit the objective and break the slide
What magnification is achieved with each objective on your microscope? Scanning-4x Low Power-10x High Power-40x Oil Immersion-100x
Organize microtubules Centrosome
Tags cells to be sent to proper site Golgi Apparatus
Intercellular digestion Lysosome
Increase surface area for absorption Microvilli
Protection; regulates materials between cytoplasm and nucleoplasm Nuclear Envelope
Full ribosomal production Nucleolus
Control center Nucleus
Protein Synthesis Ribosomes and Rough E.R.
Membrane and lipid synthesis Smooth E.R.
Physical boundary of cell; controls what comes in and leaves the cell Plasma Membrane
Metabolism occurs here Cytoplasm
Produces energy Mitochondria
Contains 3 phases; produces new organelles and replicates DNA Interphase
Chromatin becomes supercoiled into dense chromosomes Prophase
Chromosomes line up along equatorial plate of cell Metaphase
Spindle fibers pull sister chromatids apart at centromere Anaphase
New nuclear envelope forms around each set of chromosomes Telophase and Cytokinesis
Created by: gaudiop
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