Water, pH and Macromolecules Which of the following indicates that the pK of an acid is numerically equal to the pH of the solution when the molar concentration of the acid and its conjugate base are equal? Haldanes equation Henderson-Hasselbalch equation Michaelis-Menten equation Hardy-Windberg law Haldanes equation Henderson-Hasselbalch equation Michaelis-Menten equation Hardy-Windberg law ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Who discovered and described the blood groups (ABO) classification? Karl Landsteiner Otto Warburg Theodor Kocher Karl Hooper Karl Landsteiner Otto Warburg Theodor Kocher Karl Hooper ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following statements about covalently bonded molecules is false? The chemical bonds that hold the molecule together are relatively strong Electrons are shared between the atoms that make up the molecule Such molecules often result from the interaction of ionized atoms Noncovalent bonds may also be present, especially if the molecule is large The chemical bonds that hold the molecule together are relatively strong Electrons are shared between the atoms that make up the molecule Such molecules often result from the interaction of ionized atoms Noncovalent bonds may also be present, especially if the molecule is large ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? H2PO4-/HPO42- H2CO3/HCO3- All of these Histidine+/histidine H2PO4-/HPO42- H2CO3/HCO3- All of these Histidine+/histidine ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following will easily dissolve in a polar solvent? sodium chloride argon methane gasoline (heptanes & octanes) sodium chloride argon methane gasoline (heptanes & octanes) ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The dissociation constant of H2O at 25° C is 10-14 M 107 M 1014 M 10-7 M 10-14 M 107 M 1014 M 10-7 M ANSWER DOWNLOAD EXAMIANS APP
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