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32 Cards in this Set
- Front
- Back
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eyepiece
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magnifies the sample 10x
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stage
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flat place where you put the slide
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diaphragm
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varies the amount of light from the lamp
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coarse adjustment
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focuses the scanning and low power objectives by moving the stage a lot
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fine adjustment
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focuses the high power objective by moving the stage a little
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high power objective
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magnifies the specimen 40x
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low power objective
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magnifies the specimen 10x
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scanning power objective
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magnifies the specimen 4x
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total magnification
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eyepiece magnification x objective magnification
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germ theory
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microorganisms can cause diseases
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cells come from...
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preexisting cells
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all living things.....
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are made of one or more cells
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cells are...
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the basic unit of structure and function of all living things
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red blood cells are...
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smooth and round so they can easily slip through very small blood vessels
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the shape of the cell is ...
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related to the job of the cell
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red blood cells contain...
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hemoglobin (a protein) so they can carry oxygen
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the invention of the microscope was...
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necessary to study cells and develop the cell theory
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who was the first to observe living cells
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Anton Van Leeuwenhoek
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nerve cells are branched...
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to receive and transmit messages
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paramecia are covered with.....
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cilia to help swim
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paramecia are...
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shaped like a torpedo so they can swim
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paramecia are...
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microscopic, unicellular organisms
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cell membrane is made up of....
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2 layers of phospholipids with proteins floating between
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another name for cell membrane structure
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fluid mosaic model
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what passes through phospholipids
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very small molecules, like oxygen
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what must pass through protein gates
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large molecules, like glucose & charged molecules, like water
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active transport
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when energy is required to move particles
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the cell membrane......
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seperates the inside of a cell from the environment
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cell membrane---
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controls what enters and leaves the cell
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integumentary system (skin)
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controls what enters and leaves the body
helps maintain homestasis |
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homestasis
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is the biological balance which cells and organisms must maintain for survival
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nutrients can enter and wastes can exit the cell quickly because.....
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of the cells small size, which gibes a large surface area to volume ratio
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