Water, pH and Macromolecules The strength of an acid depends on number of neutrons gain number of double bonds number of protons released electronegativity number of neutrons gain number of double bonds number of protons released electronegativity ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Polyprotic acids such as H3PO4, can act as acid-base buffers if their concentration is kept low at pH values around any of their pKa's at pH values around neutrality only in combination with polyprotic bases if their concentration is kept low at pH values around any of their pKa's at pH values around neutrality only in combination with polyprotic bases ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The pH of a solution is determined by environmental effect concentration of salt dielectric constant of the medium relative concentration of acids and bases environmental effect concentration of salt dielectric constant of the medium relative concentration of acids and bases ANSWER DOWNLOAD EXAMIANS APP
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 reactions of molecules All of these are independent of the functional groups are the reactions of the functional groups require an enzyme in all cases All of these are independent of the functional groups are the reactions of the functional groups require an enzyme in all cases ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The reason that fats contain more energy than simple sugars, is fats have many more hydrogen bonds carbon atoms hydrogen atoms covalent bonds hydrogen bonds carbon atoms hydrogen atoms covalent bonds ANSWER DOWNLOAD EXAMIANS APP