Flashcard Set Preview
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| 1 |
Discipline in which questions about the
natural worlkd are approadched in
methodical fasion,...
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Science
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A scientific study of how organisms
interact with each other and with their
physical and...
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Ecology
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Anything that has mass and occupys space
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Matter
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The ability to do work
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Energy
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Matter composed of identical atoms, the basic building blocks of matter
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Element
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Smallest particle unit of an element that maintains the physical & chemical properties of that...
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Atom
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A subatomic particle with a positive charge found in the nucleus, atomic mass of one.
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Proton
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A subatomic particle that has no charge. Found in the nucleus. Atomic mass of one.
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Neutron
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A subatomic particle with a negative charge found outside the nucleus. Atomic mass = 0
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Electron
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A unit of matter in which chemical bonds hold together 2 or more atoms of the same or different...
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Molecule
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A substance consisting of 2 or more elements in unvarying proportions.
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compound
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Any disolved substance that donates hydrogen ions to other solutes or to water molecules
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acid
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Any substance that accepts hydrogen ions when dissolved in water
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base
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A measurement of the concentration of hydrogen ions in a substance
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pH scale
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Elements that release ions other than hydrogen and hydroxide in a solution
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salts
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A weak acid and base that forms when dissolved in water. The 2 work as a pair to counter...
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Buffer
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an organic compound that is made up of carbon, hydrogen and oxygen, mostly in a 1:2:1 ratio. ...
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Carbohydrates
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3 types of carbohydrates
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monosaccharides
oligosaccharides
polysaccharides
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Mainly a greasy or oily hydrocarbon. Strongly resist dissolving in water, but quickly dissolve...
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Lipids
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Four kinds of lipids
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neutral fats
phospholipids
steroids
waxes
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The most complex organic compound composed of one or more polypeptide chains, manufactured...
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Proteins
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Single or double stranded chains of 4 kinds of nucleotides joined at phosphate groups. Differ...
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Nucleaic acids
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4 major groups of organic molecules
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carbohydrates
lipids
proteins
nucleic acids
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