H_Bio_-_chem_intro_notes_student_versiob

H_Bio_-_chem_intro_notes_student_versiob - Chemistry...

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    Chemistry The Short Version
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Why Bother With General Chemistry in  Biology Class? Foundation for Biochemistry Biological Applications Understanding of chemistry provides fertilizers,  medicines, etc. Chemical pollutants damage ecosystems Radioisotopes Bioremediation
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Elements Element – fundamental form of matter  Atom – smallest particle of an element ___________ are most common in your body Trace elements Present in very small amounts in body (<0.01%) Iron Iodine
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Fig. 2.3, p. 22 HYDROGEN HELIUM electron proton neutron Atoms Atomic number Atomic Mass
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Isotopes 2 atoms are isotopes if they have… The SAME # of ____ Different # of ____ Radioactive isotopes Unstable nucleus breaks down Forms another element Releases energy (radiation) in the process
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Tracers  Diagnose disease PET Scans, bone 
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This note was uploaded on 10/12/2011 for the course BIO 101 taught by Professor Martin during the Spring '08 term at Rutgers.

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H_Bio_-_chem_intro_notes_student_versiob - Chemistry...

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