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Biology AP
Ch.5 The Structure & Function of Macromolecules
30
Biology
12th Grade
09/05/2007

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Term
Polymers
Definition
strings of repeated units
Term
Monomers
Definition
the individual units of polymers
Term
Amino acids
Definition
the monomer that makes up a protien
Term
Carboxyl group
Definition
COOH
Term
Proteins
Definition
amino acids bonded together in a chain
Term
Polypeptide
Definition
long chain of amino acids joined by peptide bonds
Term
Dehydration synthesis
Definition
a molecule of water is removed to join two amino acids
Term
Peptide bond
Definition
the new bond between amino acids
Term
Hydrolysis
Definition
a water molecule is added to the structure
Term
Saccaharide
Definition
the monomer for a carbohydrate
Term
Monosaccharide
Definition
consists of Carbon(n), Hydrogen(2n), Oxygen(n)
Term
Glucose
Definition
simple sugar; double-bonded oxygen is located on the top carbon; C(6) H(12) O(6)
Term
Fructose
Definition
found in fruits; double-bonded oxygen located on the second carbon from top
Term
Disaccharide
Definition
carbohydrate made of two monomers
Term
Maltose
Definition
formed from 2 molecules of glucose;
C(12) H(22) O(11)
Term
Sucrose
Definition
formed by molecule of glucose and fructose; C(12) H(22) O(11)
Term
Polysaccharride
Definition
more than two monosaccharidesa joined together
Term
Glycogen
Definition
the form in which animals store glucose
Term
Starch
Definition
the form in which plants store glucose
Term
Cellulose
Definition
a structural polysaccaride that forms the plant's cell walls
Term
Hydrocarbon
Definition
the monomer for a lipid; consists of carbon atom with two hydrogen atoms bonded to it
Term
Hydrophobic
Definition
doesn't interact well with water; non-polar
Term
Triglycerides
Definition
consists of three fatty acids bonded to a glycerol molecule
Term
Glycerol
Definition
an alcohol that has 3 carbon atoms in it
Term
Phospholipids
Definition
Similar to triglyceride, except it has 2 fatty acids and 1 phosphate group; polar on phosphate end, non polar on fatty acid end
Term
Cholesterol
Definition
hydrocarbons form rings; found only in animal cells, in cell membranes along with phospholipids; all steroid hormones in body are derived from it
Term
Hydrophilic
Definition
can interact with water; polar
Term
Lipid bilayer
Definition
double layer of phospholipids; form cell membranes
Term
DNA
Definition
deoxyribonucleic acid; four possible nucleotide bases for DNA: Adenine, Guanine, Cytosine, Thymine; double-stranded
Term
RNA
Definition
ribonucleic acid; single-stranded; bases: Adenine, Cytosine, Guanine, Uracil
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