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58 Cards in this Set
- Front
- Back
arm
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supports the eyepiece
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base
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the bottom of a microscope
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coarse focus knob
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focuses on an object at low or medium power
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Compound Light Microscope
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a microscope with 2 lenses
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eyepiece
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a lens you look through
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fine focus knob
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focuses an object at high power
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field of view
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the area seen through the eyepiece of the microscope
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light source
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shines light through the object you view
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magnification power
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an object that seems larger than it is
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objective lenses
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what the different powers for magnifying are
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resolving power
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being able to determine two objects or details close together
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revolving nosepiece
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holds the objective lens
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stage
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a platform for the object you view
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wet mount slide
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a microscope slide made by mounting a specimen in a drop of water on the slide
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amoeba
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an example of a unicellular organisms made up of Eukaryotic cells.
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animal cell
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a cell found in animals; also a Eukaryotic cell
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bacterial cell
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an example of a prokaryotic cell
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bacteria
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various groups of single-celled micro-organisms
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Cell theory
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a cell is a basic unit of life;all organisms are composed of 1 or more cells; all cells come from living things
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cell membrane
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the structure that separates the interior of the cell from its surroundings
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chloroplast
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changes the trapped energy from the sun into chemical energy
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cytoplasm
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the jelly-like substance from within the cell
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cell wall
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a tough rigid structure surrounding the cell
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cell
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the basic unit of life
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concentration
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the amount of a substance in a given space
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cryostat
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used to cut a frozen specimen
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control
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a standard to which the results of an experiment are compared
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conclusion
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the explanation of the results of an experiment
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deoxyribonucleic acid
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the hereditary material that is passed down from generation to generation
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diffusion
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the movement of water through a selectively permeable membrane
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Electron Micrograph
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the picture that appears on the screen of a Scanning Electron Micrograph
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Eukaryotic
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cells whose organelles are surrounded by a membrane
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endoplasmic reticulum
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a network of membrane covered channels that look like the folds of a fan or accordian
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equilibrium
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equal number of particles on each side of the selectively permeable membrane
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Golgi body
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a structure in cells that stores proteins and packs them into vesicles
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Hypothesis
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a testable proposal used to explain an observation or to predict the outcome of an experiment
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lysosomes
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an organelle containing digestive chemicals that function to break down food particles, cell waste, and worn out cell-parts
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multicellular
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organisms made of many cells
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mitochondria
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the energy producers
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microtome
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something that automaticly cuts thin slices for viewing in a microscope
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manipulated variable
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a factor that is adjusted to see what effect it will have on the responding variable
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metabolism
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the total of all chemical reactions that take place in the cell
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nucleus
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the control center
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organism
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a living thing
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organelles
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a cell structure in which functions are carried out to ensure a cells survival
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osmosis
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diffusion of water through a selectively permeable membrane
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Prokaryotic
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cells whose organelles are not surrounded by a membrane
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proteins
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essential muscles used to build skin, hair, and nails
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photosynthesis
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a chemical reaction that takes place in plant cells when the carbon dioxide and water react in the presence of sunlight to produce glucose and oxygen
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prediction
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a forecast about what you expect to observe
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ribosomes
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a small factory that manufactures proteins
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responding variable
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the factor that changes
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selectively permeable membrane
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allows some to pass while keeping others out
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unicellular
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an organism made up of only one cell
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vacuole
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temporary storage compartments
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viruses
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tiny non-living particles that reproduce inside a host cell
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vesicles
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smaller than vacuoles and function like a mail system
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variables
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a factor that can influence the outcome of an experiment
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