Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? Histidine+/histidine H2PO4-/HPO42- All of these H2CO3/HCO3- Histidine+/histidine H2PO4-/HPO42- All of these H2CO3/HCO3- ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A solution with pH = 5 is __________ than a solution with pH = 7. 2 times more basic 100 times more acidic 10 times more acidic 10 times more basic 2 times more basic 100 times more acidic 10 times more acidic 10 times more basic ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The effectiveness or capacity of a buffer solution can be affected by molar concentration of the buffer components temperature of buffer components both (a) and (b) concentration of the conjugate base to the weak acid molar concentration of the buffer components temperature of buffer components both (a) and (b) concentration of the conjugate base to the weak acid ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Weak acids generally have pKa been seldom found in living systems values less than 1 that cannot be used to buffer pKa values greater than 2 been seldom found in living systems values less than 1 that cannot be used to buffer pKa values greater than 2 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 Hardy-Windberg law Michaelis-Menten equation Henderson-Hasselbalch equation Haldanes equation Hardy-Windberg law Michaelis-Menten equation Henderson-Hasselbalch equation ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages. covalent ionic hydrogen noncovalent covalent ionic hydrogen noncovalent ANSWER DOWNLOAD EXAMIANS APP