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11 Cards in this Set
- Front
- Back
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most frequently occurring chemical elements in living things
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carbon, hydrogen, oxygen, nitrogen
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other less common elements in living things
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sulfur, calcium, phosphorus, iron, sodium
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sulfur
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amino acids
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calcium
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cofactor in some enzymes, components of bones
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phosphorus
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phosphate groups in ATP
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sodium
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membrane function, sending nerve impulses
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thermal property of water
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high specific heat, temperature stabilizer: high heat of vaporization (ie. perspiration)
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high specific heat
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absorbs or gives large amounts of heat without changing temperature
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cohesive property of water
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molecules of same type are attracted to each other (ie. surface tension on water- move upward in plants) high heat capacity, high heat of vaporization
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solvent property of water
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"like dissolves like" majority of molecules in and around cells are polar (carbohydrates, proteins, nucleic acids)
aqueous solutions, cytoplasms, nucleoplasm, stoma, blood plasma |
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organic vs inorganic compounds
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all organic compounds contain carbon, but not all carbon-containing compounds are organic (ie. carbon dioxide)
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