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Chemical Compounds of Life pt2
chemical compounds pt. 2
13
Biology
9th Grade
10/12/2008

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Term
cholesterol
Definition
is an essential compound, increases the amount of cholesterol produced in the body
Term
nucleic acids
Definition
contains phosphorus nitrogen carbon hydrogen and oxygen
Term
RNA (ribonucleic)
Definition
single stranded molecule transcribed from DNA
Term
nucleotides
Definition
repeating units of protein
Term
amino acids
Definition
structural units of protein
Term
peptide bond
Definition
bond between two amino acids
Term
depitide
Definition
the resulting molecule (amino acid bond)
Term
polypeptide
Definition
a long chain of amino acids
Term
enzymes
Definition
protein substances that are necessary for most chemical reactions in living cells
Term
catalyst
Definition
a substance that brings about a reaction without being changed itself
Term
substrate
Definition
a substance that an enzyme acts upon
Term
active site
Definition
surface of each enzyme
Term
coenzymes
Definition
organic substances but not proteins
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