| Term 
 | Definition 
 
        | a protein (amino acids that are coded by dna) |  | 
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        | Term 
 
        | #1) Bond strength from weak to strong |  | Definition 
 
        | van der Waals Hydrogen ionic covalent |  | 
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        | Term 
 | Definition 
 
        | Shifting electron density, transient positive or negative charge that interact with areas of opposite charge on another molecules |  | 
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        | Term 
 | Definition 
 
        | Hydrogen atoms bound to nitrogen or oxygen that become positively polarized--> bond more negatively polarized atoms like o2, nitrogen, sulfur |  | 
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        | Term 
 | Definition 
 
        | Atoms with an excess of electrons (thus negative) attracted to deficient atoms (thus positive) |  | 
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        | Term 
 | Definition 
 
        | Two bonding atoms share the electrons, mostly irreversible, very strong   eg aspirin |  | 
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        | Term 
 | Definition 
 
        | lipophilic portion of drug wants to bond to lipophilic part of receptor   not always drug as a whole that is considered lipophilic |  | 
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        | Term 
 | Definition 
 
        | involves pH of body and pKa of drug |  | 
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        | Term 
 | Definition 
 
        | enantiomers (mirror images) -racemic mixture-both mirror images included -can isolate seperate enantiomers to market new drug   (eg celexa (citalopram-racemic) Lexapro-escitalopram, more active of mix) |  | 
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        | Term 
 
        | #5) Conformation Molecular Drug-receptor interactions |  | Definition 
 
        | Transmembrane Intracellular extracellular |  | 
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        | Term 
 
        | Transmembrane interaction |  | Definition 
 
        |  drug binding to extracellular part to cause an effect intracellularly *doesnt have to cross membrane to cause effect   eg. ion channel, linked to G-proten, enzyme with cytosolic domain |  | 
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        | Term 
 | Definition 
 
        | Sodium, Calcium, Potassium channel -drug binds and causes channel to open or close cause or preventing influx of ions |  | 
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        | Term 
 | Definition 
 
        | drug is lipophilic and crosses membrane to have effect |  | 
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