Term
Proton +
Neutron (neutral)
electron - |
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Definition
| charges of the 3 particles (atom) |
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Term
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Definition
| 3 principle particles that compose an atom |
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Term
P - inside
N - inside
E - outside |
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Definition
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Term
p- 1amu
n- 1amu
e- negligible |
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Definition
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Term
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Definition
| atomic # of an atom is based on |
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Term
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Definition
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Term
Carbon
Hydrogen
Nitrogen
Oxygen
Phosphorus
Sulfur |
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Definition
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Term
| same number of protons , diff #of neutrons |
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Definition
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Term
1st K - 2e
2nd L - 8e
3rd M - 8e |
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Definition
| how many electrons can each energy shell or orbit hold? |
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Term
inert - correct amt of N
reactive - w/ other to get more e |
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Definition
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Term
transfer of an electron or electrons from 1 atom to another
oppositely charged ions are formed
oppositely charged ions are attracted to each other and an ionic bond forms |
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Definition
| formation of an ionic bond |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| atom of the water molecule is highly electronegative |
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Term
Universal Solvent
-most substances dissolve in water
-subs. r ions or polar covalent molec, attract polar water molec
-chemical reactions occur more effici when mmol. dissolved |
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Definition
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Term
resists changes in temp.
-lrg amt of energy 2 change the temp. of water
-requires the breaking of hydrogen bonds and therefore requires extra energy
-pond..etc changes temp.thus making it easier 4 aquatic organisms to maintain homeostasis |
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Definition
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Term
*Universal Solvent
*Cohesive & Adhesive
*Resists Changes in Temperature
*Resist Change of State to a Gas
*Becomes less Dense When it Freezes |
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Definition
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Term
| is like water has more oxygen - oxygen forms a polar covalent bonds w/ carbon or hydrogen & so glucose has partial charges |
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Definition
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Term
| afraid of water; no O (non polar) |
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Definition
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Term
| hydrophobic : lrg % of C H w/ lil O |
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Definition
| common physical property lipids have |
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Term
1 glycerol and 3 fatty acids
(triglycerides) |
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Definition
| building blocks of fats and oils |
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Term
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Definition
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Term
- polymers of Amino Acids
amino + carboxyl group |
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Definition
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Term
2gether - dehydration
apart- hydrogenation |
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Definition
| process by amino acids are joined 2gether and taken apart |
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Term
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Definition
| covalent bond formed b/w 2 amino acids |
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Term
| DNA molecule is the blueprint |
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Definition
| what determines the sequence of amino acids in proteins |
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Term
primary - str8
secondary- coiling / pleated sheets
tertiary- (functional) complex 3d shape
quaternary-^same more |
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Definition
| 4 levels of protein organization |
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Term
| when heat or extremes of ph break the bonds that are responsible for protein's 3D shape - the protein is said to be denatured |
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Definition
denature a protein
cause of denaturation |
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Term
enzymes
collagen
many hormones
hemoglobin |
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Definition
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Term
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Definition
| major organs of digestive system + function |
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Term
| close over the trachea to prevent bolus entering the trachea |
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Definition
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Term
| the fluid in the stomach in the duodenum |
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Definition
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