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LE Unit 5 Vocab

Cells & Microscopes

TermDefinition
Cell Theory All living things are made of cells, cells are the basic unit of structure and function in living things, all cells come from other cells
Prokaryotic Cell cells that don't contain a nucleus or membrane-bound organelles
Eukaryotic Cell cells that have a nucleus and membrane-bound organelles
Prokaryotic organisms bacteria only
Eukaryotic organisms plants, animals, fungi, protists
Differences between plant and animal cells plant cells have a cell wall, chloroplasts, and a large central vacuole; animal cells don't.
cell membrane outer boundary of the cell that controls what materials enter and leave the cell
cell wall outermost boundary of plant cells; made of cellulose
nucleus contains DNA
nucleolus makes ribosomes
ribosomes makes proteins
smooth endoplasmic reticulum makes lipids
rough endoplasmic reticulum folds proteins
mitochondrion makes usable energy for the cell
cytoplasm liquid that fills the cell; contains dissolved nutrients
chloroplasts perform photosynthesis
golgi apparatus packages and sends proteins to their destination
vacuole stores excess water
lysosome digests old cell parts; contains enzymes
Total magnification eyepiece magnification times objective lens magnification
Wet Mount putting a drop of water on a specimen on a slide and covering with a cover slip
Field of View the circle of light that one sees when looking into a microscope
How to estimate size of a microscopic object diameter of field of view divided by the number of specimens that fit across the field of view
Eyepiece the lens one looks through when looking at a microscopic specimen; usually has 10x magnification
Objective lenses the lenses that further magnify the image under a microscope; scanning, low power, high power
Stage where the slide goes on a microscope
stage clips hold the slide in place
diaghragm controls how much light goes to the microscope lens
coarse adjustment knob larger adjustment knob that focuses the microscope image; can't use it on high power
Created by: nldenissoff
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