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35 Cards in this Set
- Front
- Back
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Life Science
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The study of living things
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Hypothesis
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The estimate before you start a experiment
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Scientific Method
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A series of steps followed to solve a problem
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Theory
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A explanation that ties up multiple theories and observations
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Area
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a measurement of the size of a surface or a region
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Mass
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a measure of the amount of matter in a object
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Density
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Mass divided by volume
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0.125 g = how many kgs
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12.5
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How many kms are in 549 m
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.000549
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34.75 l = ____ ml
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34,750
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What would you use to measure mass
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Scale
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What would you use to measure volume
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ruler
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What would you use to measure length
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a measuring stick
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Cell
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the smallest organism that can perform all life purposes
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Stimulus
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Anything that can change a organism or part of a organism
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Sexual Reproduction
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Where two parent have sex to make a offspring
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Asexual Reproduction
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Sex where 1 parent comes together to makes a offspring
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Heredity
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The passing of genetics to a offspring
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Protein
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A molecule that is made by amino acids that repair body strutures
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Lipid
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A type of biochemical that doesn't dissolve in water
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Phospholipids
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A lipid that contain phosphorus and that it structural component is a cell membrane
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Carbohydrates
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a class of energy giving nutrients that include sugars, starches, and fiber; contains carbons, hydrogen, and oxgen
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ATP
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Adenosine triohosphate/ a molecule that acts as the main energy sources for cell processes
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Nucleic Acid
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a molecule made up of subunits called nucleotides
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Cell membrane
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a phospholipids layer that covers a cell's surface and acts as a barrier between the inside of the cell and the enviroment
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Cytoplasm
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the cell substance between the cell membrane and the nucleus, containing the cytosol, organelles, cytoskeleton, and various particles.
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Organelle
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One if the small bodies in a cytoplasm that are specialized to preform a specific function
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Nucleus
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In a eukaryotic cell, a membrane bound organelle that contains the cell's DNA and that has a role processes such as growth,metabolism, and reproduction
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Prokaryote
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a single cell organism that does not have a nucleus pr membrane bound organelles :examples are archea and bacteria
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Eurkaryote
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An organism made up of cells that have a nucleus enclosed by a membrane: eukaryotes include protists,animals,plants, and fungi, but not archea or bacteria
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Unicellular
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an organism with one cell in it
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Multicellular
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an Organism with more than one cell
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Cell Wall
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a rigid structure that surrounds the cell membrane and provide support for the cell
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Ribosome
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a cell organelle composed of RNA and protein;site of protein symbiosis
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Mitochondria
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in euckaryotic cells the cell organelle that is surrounded by to cell membranes and is by two membranes and that is the site of cellurar respiration
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