Unit 2: Cells and Microscopy Vocab

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Last updated 4:13 AM on 9/12/26
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22 Terms

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Cell

fundamental structural and functional unit of all living organisms

<p>fundamental structural and functional unit of all living organisms</p>
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Cell theory

scientific theory; all living things are made of cells, cells are the basic unit of life, and all cells come from pre-existing cells

<p>scientific theory; all living things are made of cells, cells are the basic unit of life, and all cells come from pre-existing cells</p>
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Cryogenic electron microscopy

“technique that preserves samples at cryogenic temperatures to image bio molecules in their native state”

<p>“technique that preserves samples at cryogenic temperatures to image bio molecules in their native state”</p>
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Cytoplasm

fluid inside a cell that holds organelles in place

<p>fluid inside a cell that holds organelles in place</p>
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Deductive reasoning

process where general principles are used to get a conclusion

<p> process where general principles are used to get a conclusion</p>
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DNA

Deoxyribonucleic acid, molecule that carries genetic instructions for living things

<p>Deoxyribonucleic acid, molecule that carries genetic instructions for living things</p>
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Electron microscope

instrument that uses a beam of electrons for high-magnification and high-resolution images

<p>instrument that uses a beam of electrons for high-magnification and high-resolution images</p>
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Field of View

visible area seen when looking through a microscope

<p>visible area seen when looking through a microscope</p>
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Freeze-fracture

method where tissue is frozen and cracked open to view internal cell structures

<p>method where tissue is frozen and cracked open to view internal cell structures</p>
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Immunofluorescence

imaging technique using antibodies with fluorescent dyes to target/visualize proteins

<p>imaging technique using antibodies with fluorescent dyes to target/visualize proteins</p>
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Inductive reasoning

logical process where specific observations are used to make generalizations

<p>logical process where specific observations are used to make generalizations</p>
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Light microscope

instrument that uses visible light and lenses to magnify small things

<p>instrument that uses visible light and lenses to magnify small things</p>
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Magnification

how much larger an image appears compared to the object's actual size

<p> how much larger an image appears compared to the object's actual size</p>
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Multicellular

organism with multiple cells that work together

<p>organism with multiple cells that work together</p>
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Objective lens

lens closest to the specimen on a microscope

<p>lens closest to the specimen on a microscope</p>
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Ocular lens

eyepiece lens of a microscope that magnifies the image even more

<p>eyepiece lens of a microscope that magnifies the image even more</p>
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Plasma membrane

Thin layer that controls what goes in and out of the cell

<p>Thin layer that controls what goes in and out of the cell</p>
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Resolution

An optical instrument distinguishes two close points as separate, determining image clarity

<p>An optical instrument distinguishes two close points as separate, determining image clarity</p>
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Ribosome

cellular structure made of RNA and protein that synthesizes proteins

<p>cellular structure made of RNA and protein that synthesizes proteins</p>
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Scale

ratio of size between images and real life organisms or object

<p>ratio of size between images and real life organisms or object</p>
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Unicellular

organism consisting of only a single cell

<p>organism consisting of only a single cell</p>
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Wet mount

placing a specimen in a drop of liquid under a coverslip

<p>placing a specimen in a drop of liquid under a coverslip</p>