Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? All of these H2CO3/HCO3- Histidine+/histidine H2PO4-/HPO42- All of these H2CO3/HCO3- Histidine+/histidine H2PO4-/HPO42- ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Buffer solutions will always have a pH of 7 cause a decrease in pH when acids are added to them. tend to maintain a relatively constant pH. are rarely found in living systems will always have a pH of 7 cause a decrease in pH when acids are added to them. tend to maintain a relatively constant pH. are rarely found in living systems ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following alcohols would be most soluble in water? ethanol butanol methanol octanol ethanol butanol methanol octanol 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? Haldanes equation Henderson-Hasselbalch equation Hardy-Windberg law Michaelis-Menten equation Haldanes equation Henderson-Hasselbalch equation Hardy-Windberg law Michaelis-Menten equation ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The lone pair electrons on oxygen in a H20 molecule carry a partial positive charge are not important for the properties of water form covalent bonds in ice carry a partial negative charge carry a partial positive charge are not important for the properties of water form covalent bonds in ice carry a partial negative charge ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following organic groups are found in naturally occuring amino acids? All of these Imidazole Indole Guanidinium ion All of these Imidazole Indole Guanidinium ion ANSWER DOWNLOAD EXAMIANS APP