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Biochemistry Flashcards

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7591026251Atomssmallest unit of matter that retains its chemical property0
7591032284Elementsa substance made up of only one type of atom1
7591039727Moleculebonding between atoms of one or more element2
7591046823Atomic NumberProtons + Neutrons3
7591055055Ionic BondsA bond between two ions (charged atoms) where one atom loses an electron, while the other gains Ex. NaCl4
7591074629Covalent Bondsshare valence electrons (MOST important biology molecules) Ex. H205
7591092103Non-Polar Covalentshare equally and no charge6
7591094620Polar Covalentdo not share equally and slight charge (water)7
7591100557Hydrogen Bondsa weak bond between MOLECULES (NOT ATOMS) (negative to positive)8
7591116903Isotopean atom with additional neutrons9
7591135927Electronegativepulls electrons towards it10
7591148283H20oxygen will always be negative and hydrogen will always be positive11
7591164574Cohesionwater molecules sticking TOGETHER Ex. paper clip floating on top of water12
7591179824Adhesionwhen water sticks to ANOTHER surface (anything with a charge) Ex. microscopic tubes in Zilon trees13
7591200312High Specific Heat of Waterto change the heat of water, you have to either rip the molecules apart or free a molecule Ex. Bozman and Seattle14
7591228163Iceice floats because of the hydrogen bonding in water (as it cools, it forms a 3D thing that decreases density)15
7591238135Solventliquid in which a solvent is dissolved16
7592001538Solutething that gets dissolved in the solvent17
7592018699MonomerMolecules that may react with similar molecules to form a chain18
7592025982PolymerA chain of many monomers that are chemically bonded together19
7592038995Dehydration SynthesisTwo hydrogen atoms and one oxygen atom are removed from the monomers to from water, and the two monomers join together20
7592052273Hydrolysisto break with H2O21
7592064556CarbohydratesGroup of organic molecules that includes sugars, starches, and celluloses (short term energy) Monomer: monosaccharide Polymer: disaccharide, polysaccharide Elements: CHO22
7592099514ProteinsGroup of organic molecules that includes pepsin, hemoglobin, insulin, and keratin (transports) Monomer: Amino Acid Polymer: Polypeptide Elements: CHON + R group23
7592134367Protein DenaturationUnfolding a protein -conditions that can disrupt bonds temperature pH salinity24
7592153921Nucleic AcidsGroup of organic molecules that includes DNA and RNA (stores information) Monomer: Nucleotide Polymer: Adenine + others Elements: CHONP25
7592193937LipidsGroup of organic molecules that includes fats, oils and waxes (long term energy) Monomer: fatty acids and glycerol Polymer: Delglyceride (not true polymer) Elements: CHO (mostly C's and H's)26
7592220063Saturated Fatty AcidsALL SINGLE BONDS (solids)27
7592223791Unsaturated Fatty AcidsAt least one DOUBLE bond (liquids)28
7592233770Enzyme and Substrate relationshipEnzymes find substrate, connect with it, then spit it back out29
7592250416Competitive Inhibitorschanges whole shape of enzyme and substrate no longer fits30
7592264092Non-Competitive InhibitorsEverything stays the same31

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