Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? H2CO3/HCO3- All of these Histidine+/histidine H2PO4-/HPO42- H2CO3/HCO3- All of these Histidine+/histidine H2PO4-/HPO42- ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following organic groups are found in naturally occuring amino acids? All of these Indole Guanidinium ion Imidazole All of these Indole Guanidinium ion Imidazole 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 Hydrogen bonds and hydrophilic interactions are types of strong chemical bonds that link together separate molecules weak chemical bonds that link together separate molecules strong chemical bonds that hold together the atoms within a molecule weak chemical bonds that hold together the atoms within a molecule strong chemical bonds that link together separate molecules weak chemical bonds that link together separate molecules strong chemical bonds that hold together the atoms within a molecule weak chemical bonds that hold together the atoms within a molecule ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A solution with pH = 5 is __________ than a solution with pH = 7. 2 times more basic 10 times more acidic 100 times more acidic 10 times more basic 2 times more basic 10 times more acidic 100 times more acidic 10 times more basic ANSWER DOWNLOAD EXAMIANS APP
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? Michaelis-Menten equation Henderson-Hasselbalch equation Haldanes equation Hardy-Windberg law Michaelis-Menten equation Henderson-Hasselbalch equation Haldanes equation Hardy-Windberg law ANSWER DOWNLOAD EXAMIANS APP