Cytology and Microscope
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Eyepiece | Contains a lens, a pointer may be built into the eyepiece
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Arm | Used for carrying the microscope
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Base | The bottom of the microscope
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Nosepiece | The objectives are attached to the nosepiece which revolves to allow usage of all objectives
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Objectives | The magnifying capabilities of the objective lenses are found etched on the surface.
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Scanning objective | Used to scan a slide to locate a particular organism or structure - 40X
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Low power objective | Used for closer observations
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High power objective | For the most detailed study of material
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Mechanical stage | Holds the slides in place
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Coarse adjustment knob | Used to find objects to be viewed
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Fine adjustment knob | used for precise focusing
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Condenser control, field diaphragm and rheostat control | All used to control light
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On/off switch | uhhhh DUH!!!
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Ocular lens magnification | 10X
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Scanning objective magnification | 4X (red, 4.6), total 40X
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Low power objective | 10X (yellow, 1.8), total 100X
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High power objective | 40X (blue, .46), total 400X
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Cell membrane | Semi-permeable, protects the interior contents of the cell, surrounds cytoplasm of the cell
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Nucleus | Contains hereditary info (DNA) and controls cell growth and reproduction
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Chromosomes/chromatin | Loose coiled, usable form of DNA
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Nucleolus | Stores RNA, makes ribosomes
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Nuclear membrane | Selectively permeable, protects chromatin
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Pore | Access to DNA for RNA
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Cytoplasm | Solvent plus organelles, as a whole
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Pinocytic vesicle | Takes water into cell
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Vacuole | Temporary storage site (for glucose, amino acids, etc.)
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Lysosome | Vacuole that has digestive enzymes
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Mitochondria | "Powerhouse" produces ATP (aerobic energy), has its own DNA
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Ribosome | Produces protein
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Endoplasmic reticulum | Stores lipids and glycogen, modifies proteins into glycoproteins
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Golgi apparatus | Packages proteins, modifies protein, ships them out
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Centrosome | Waiting for mitosis
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Centrioles | Directs mitosis
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
daydreamer67
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