Water, pH and Macromolecules What is the concentration, in moles/liter, of the hydrogen ion, if pH of a solution is 7? 7 x 10-7 5 x 10-7 1 x 10-7 7 7 x 10-7 5 x 10-7 1 x 10-7 7 ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Who discovered and described the blood groups (ABO) classification? Otto Warburg Karl Hooper Karl Landsteiner Theodor Kocher Otto Warburg Karl Hooper Karl Landsteiner Theodor Kocher ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A Bronsted acid becomes __________ upon losing a proton. highly reactive its conjugate acid a hydronium ion its conjugate base highly reactive its conjugate acid a hydronium ion its conjugate base ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? H2CO3/HCO3- Histidine+/histidine H2PO4-/HPO42- All of these H2CO3/HCO3- Histidine+/histidine H2PO4-/HPO42- All of these ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Hydrogen bonds and hydrophilic interactions are types of strong 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 weak chemical bonds that link together separate molecules strong 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 weak chemical bonds that link together separate molecules ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The effectiveness or capacity of a buffer solution can be affected by temperature of buffer components concentration of the conjugate base to the weak acid both (a) and (b) molar concentration of the buffer components temperature of buffer components concentration of the conjugate base to the weak acid both (a) and (b) molar concentration of the buffer components ANSWER DOWNLOAD EXAMIANS APP