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27 Cards in this Set
- Front
- Back
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atoms
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electrons
neutrons protons |
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chemistry
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study of interactions b/w atoms and molecules
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atom
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smallest unit of matter that enters in tochemical reactions
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molecules
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formation of interaction b/w atoms
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nucleus
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neutrons + protons
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valence electrons
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electrons in outermost shell that interact w other atoms
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compound
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2+ different atoms bonding
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molecule
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2+ atoms bond
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covalent bond
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strong sharing of pair of electrons by 2 atoms
non polar & polar |
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ionic
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2 atoms vastly different charges come together
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hydrogen bond
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weak forces combine w/ polar covalent bond
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bond formation
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required energy
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bond breaking
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releases energy
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3 main rxns
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anabolic
catabolic exchange |
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enzymes
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biological catalysis; speed up rxn w/o change itself
proteins substrate specific usually end in -ase |
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enduced fit model
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specific but not rigid; reused; range in which enzymes can work in optimal conditions
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organic cmpd
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always contain carbon and hydrogen
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inorganic compound
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typically lack carbon
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water
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polar covalent
travel up plants b/c cohesive nature expansion w/ freezing high heat of vaporization versatility as solvent MO can live in water spores |
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spores
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dna + cytoplasm w/o water
live 100,000 yrs w/ water open p and b/c vegitative |
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pH scale
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0-14
blood 7.2 or 7.3 |
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4 macromolecules
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repeating units of monomers
pro cho fat nucleic acids |
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pro
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c h o n
enzymes, transporters, immunity, regulation primary - straight quarterary - heavy folding |
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cho
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glucose in cells
cellulose in plants monosaccharide building blocks |
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fat
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C & H
hydrophobic 3fa + glycerol molecule saturated = no dbl bond; solid unsat = dbl bonds; liquid |
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nucleic acids
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pentose + phosphate group + nitrogen base
DNA: atgc RNA: aucg 3 types RNA |
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structure of ATP
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via dehydration synthesis
broken by hydrolysis to use as E adenosine + 3P |
