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Biochemistry Flashcards

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8644647174Homeostasisstable internal environment0
8644662626Negative Feedbackmoves towards homeostasis1
8644676665ThyroxineMade by thyroid; affects almost every process in the body; also called T42
8644689060Positive Feedbackmoves away from homeostasis3
8644693161Oxytocinhormone that stimulates uterine contractions such as during labor4
8644699205Glucosestored a glycogen and triglycerides5
8644706286InsulinMade by pancreas; regulates blood glucose levels; sends signals to have stored transporters to go to cell edge to take in glucose6
8644721737Glucagonproduced in response to low blood sugar; signals liver to break down glycogen into glucose and release it into blood7
8644744230Leptinkeeps you at set weight; negative feedback8
8644750071Ectotherminfluence by OUTSIDE9
8644754013EndothermWithiN INside10
8644765056Temperature regulation- hotvasodilation; sweating; pilorelaxation;11
8644773747Temperature regulation- coldVasoconstriction; shivering; piloerection12
8644783631Metabolic rate as related to oxygenAs metabolic rate goes up, so does oxygen rate13
8644807354HemoglobinMajor respiratory pigments in vertebrates14
8644813367MyoglobinAnother respiratory pigment found in muscle cells; has a higher affinity for oxygen15
8644837981CO poisoningHemoglobin bonds to the CO instead of O216
8644844133Organic Moleculesmolecules based on carbon17
8644853438Carbon double bonds and Carbon hydrogen bondsnonpolar18
8644857094Carbon and Hydrogen electronegativityNearly the same19
8644870315Carbohydrate forms1) Sugars 2) Long polymers of sugar20
8644873659Carbohydrate ratioCarbon: Hydrogen: Oxygen 1: 2: 121
8644877988MonosaccharidesRing shape ex: Glucose Fructose Galactose22
8644884681DisaccharidesTwo monosaccharides jointed by dehydration synthesis ex: lactose sucrose23
8644899194PolysaccharidesLong polymers of monosaccharides; starch (plants) and glycogen (animals)24
8644911173Lipidsfats; phospholipids; steroids; waxes; mostly nonpolar25
8644917627Fats (Triglycerides)glycerol + 3 fatty acids joined through dehydration synthesis26
8644928461SaturatedMaximum # of H27
8644931995UnsaturatedCarbon double bond28
8644936273Phospholipidsmajor membrane component; glycerol and 2 fatty acid chains29
8644941972SteroidsMultiple Ring structure; nonpolar; cholesterol; hormones; little oxygen; mostly C and H30
8644972334Proteinsmade of amino acids31
86449977142 amino acids bonddehydration reaction forms a peptide bond (covalent)32
8645006416Protein StructurePrimary-amino acid sequence Secondary- polar groups form H-bonds (Alpha Helix or Beta Pleated) Tertiary- 3D shape in a single polypeptide Quaternary- bonding of more than one folded polypeptide chain33
8645024198Nucleic AcidDNA and RNA34
8645046108Entropydisorder; favored35
8645053276Free energyusable energy in a system36
8645061480Exergonic reactionSpontaneous; will occur on its own37
8645068638Endergonic reactionrequires an input on free energy38
8645079845Enzymesproteins that speed up the rate of chemical reactions; lower activation energy39
8645082889Induced fitwhen the enzyme and substrate interact it caused a conformational change that allows substrate to bind more tightly40
8645103191Allosteric activation/ inhibitionsecondary bonding site41
8645111346Catabolic Reactionsbreakdown molecules42
8645114824anabolic reactionssynthesize larger molecules43
8645123516electronegativityhow strongly an atom attracts electrons44
8645129973Solute/ solventput the LUTE in the VENT45
8645133358aqueous solutionsolutions made with water46
8645138974Hydrolysisadds a water molecule, breaking a bond47
8645140797dehydrationremoves a water, forms a new bond48
8645143628Properties of water1) chemical reactions 2) incompressible 3) eliminate soluble waste 4) high specific heat 5) High heat of vaporization/ heat of fusion (needs a lot of energy to change state) 6) Cohesion 7) Adhesion 8)Powerful solvent49
8645174174AcidsLower pH; high H concentration50
8645176867Baseshigh pH; low H concentration51

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