Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? Histidine+/histidine H2CO3/HCO3- H2PO4-/HPO42- All of these Histidine+/histidine H2CO3/HCO3- H2PO4-/HPO42- All of these ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The main difference between an acid and a base is that bases are polar molecules and acids are not acids are polar molecules and bases are not bases donate hydrogen ions in water while acids accept hydrogen ions acids donate hydrogen ions in water while bases accept hydrogen ions bases are polar molecules and acids are not acids are polar molecules and bases are not bases donate hydrogen ions in water while acids accept hydrogen ions acids donate hydrogen ions in water while bases accept hydrogen ions ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The effectiveness or capacity of a buffer solution can be affected by both (a) and (b) molar concentration of the buffer components concentration of the conjugate base to the weak acid temperature of buffer components both (a) and (b) molar concentration of the buffer components concentration of the conjugate base to the weak acid temperature of buffer components 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? Hardy-Windberg law Henderson-Hasselbalch equation Michaelis-Menten equation Haldanes equation Hardy-Windberg law Henderson-Hasselbalch equation Michaelis-Menten equation Haldanes equation ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following organic groups are found in naturally occuring amino acids? Indole All of these Guanidinium ion Imidazole Indole All of these Guanidinium ion Imidazole ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The pH of a solution is determined by relative concentration of acids and bases dielectric constant of the medium environmental effect concentration of salt relative concentration of acids and bases dielectric constant of the medium environmental effect concentration of salt ANSWER DOWNLOAD EXAMIANS APP
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