Biochemistry Exam 1 4511 OSU Questions And Answers All Correct

carbohydrates - correct answers Proteins fold - correct answers spontaneously 1st tier elements - correct answers COHN 2nd tier elements - correct answers Cl Ca Mg P S Na K self-assembly - correct answers a disordered system of pre-existing molecules forms an organized structure or pattern as a result of local, predictable rules the molecules follow and without outside guidance macromolecules - correct answers emergent complexity - correct answers The outcome of self-assembly. complexity and specificity phospholipid membranes spontaneously form - correct answers bilayers how nucleic acids, polypeptides, and carbs are formed through - correct answers condensation genetic continuity - correct answers The continuation of genes, passed from parents to offspring through ancestors and all living things proteins are coded for by - correct answers genes cladograms - correct answers represent relatedness of species 3 domains in life - correct answers Bacteria, Archaea, Eukarya most life is - correct answers microbial archaea is more common with - correct answers eukarya eukaryotes are complex and come from - correct answers multiple endosymbiotic events phospholipid bilayer - correct answers provides a separation of the chemical reactions in life from the environment- in all cells 7 life commonalities - correct answers program, improvise, compartmentalization, seclusion, adaptability, energy, regeneration salt bridge - correct answers ionic bond Coulumb's Law - correct answers F=kq1q2/r^2 positive coulumb's law - correct answers repulsion force negative coulumb's law - correct answers attraction force e in coulumbs law - correct answers adds solvent effect of shielding force of solvent bonds in protein core are - correct answers stronger than on surface H bonds angle - correct answers 180 degrees cohesiveness - correct answers stick to itself adhesivness - correct answers stick to things Water has a _____ specific heat - correct answers high To break bonds energy is - correct answers required to form bonds energy is - correct answers released amino - correct answers NH2 ammonium ion - correct answers NH3 sulfhydryl - correct answers SH phosphoryl - correct answers PO4 the ordering of water molecules in the presence of water represents a decrease in - correct answers entropy increase in entropy is maximized by - correct answers decrease in surface area amphiphillic - correct answers A molecule that is both hydrophilic and hydrophobic nucleophile - correct answers donates electron pair (COO-,OH) water is a - correct answers weak nucleophile condensation - correct answers bonds are broken to release water hydrolysis - correct answers bonds are created to add water at pKa - correct answers 1/2 is A- and half is HA a weak acid is ___ at low pH - correct answers protonated a weak acid is ___ at high pH - correct answers deprotonated physiological pH range - correct answers 6.5-8.0 pka pH - correct answers A/HA 1 pka pH - correct answers A/HA 1 ampholytes - correct answers acidic and basic pkas low pH __ charge on amino acid - correct answers highest high pH -- charge on amino acid - correct answers lowest protein surfaces interact with water when they are - correct answers charged catabolism - correct answers making ATP anabolism - correct answers using ATP cofactor - correct answers non-proteinchemical compoundthat is boundto a proteinand is required for the protein's biological (enzyme) activity. cosubstrates - correct answers cofactor that works more like a substrate ex. ATP ATP/ADP = - correct answers energy charge high energy charge = - correct answers anabolic rxn possible ATP characteristics - correct answers thermodynamically unstable kinetically stable ATP energy - correct answers comes instead from the difference in free energy between substrates and products nucleotides made of - correct answers 5 carbon sugar, phosphate group, nitrogen base Nucleoside - correct answers nitrogenous base + sugar glycosidic bond - correct answers sugar and nitrogenous base linkage condensation of two acids - correct answers annhydride pyrimidines - correct answers cytosine, thymine, uracil