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Chemical Compounds of Life
chemical compounds pt. 1
19
Biology
9th Grade
10/12/2008

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Term
organic compounds
Definition
contains the element carbon
Term
inorganic compounds
Definition
does not contain the element carbon
Term
polar molecule
Definition
a molecule with partial negative and positive charges
Term
cohesion
Definition
attraction of two of the same substances
Term
adhesion
Definition
attraction of two of the same substances
Term
capillarity
Definition
upward movement of a liquid in a tube
Term
carbohydrates
Definition
compounds of carbon, hydrogen, and oxygen
Term
monosaccharides
Definition
simplest carbohydrates are the simple sugars
Term
dehydration synthesis
Definition
sugar molecules can be bonded together
Term
disaccharide
Definition
molecule formed by joining two simple sugars. It is also a double sugar
Term
polysaccharide
Definition
long chain of repeating units
Term
hydrolysis
Definition
disaccharides and polysaccharides may be broken apart
Term
lipids
Definition
fats, oils, and waxes
Term
fatty acids
Definition
this molecule has two parts; a chain of carbon atoms to which hydrogen atoms are bounded and a carboxyl group
Term
carboxyl group
Definition
1 carbon atom that is bonded to 1 oxygen atom by a double bond and to an OH group
Term
polymers
Definition
large molecule consisting of chains of repeating units
Term
starch
Definition
organisms storing excess sugar
Term
saturated fats
Definition
fatty acids with single carbon-to-carbon bonds
Term
unsaturated fats
Definition
one or more pairs of carbon atoms in the fatty acid molecules are joined together by a double bond or even a triple  bond
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