Water, pH and Macromolecules What is the concentration, in moles/liter, of the hydrogen ion, if pH of a solution is 7? 1 x 10-7 7 5 x 10-7 7 x 10-7 1 x 10-7 7 5 x 10-7 7 x 10-7 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 Which of the following alcohols would be most soluble in water? butanol octanol ethanol methanol butanol octanol ethanol methanol ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The dissociation constant of H2O at 25° C is 1014 M 10-14 M 107 M 10-7 M 1014 M 10-14 M 107 M 10-7 M ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Most of the important functional groups in biological molecules contain oxygen and/or nitrogen and are polar oxygen and/or nitrogen and are acidic nitrogen and a phosphate oxygen and a phosphate oxygen and/or nitrogen and are polar oxygen and/or nitrogen and are acidic nitrogen and a phosphate oxygen and a phosphate 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 covalent bonds carbon atoms hydrogen atoms hydrogen bonds covalent bonds carbon atoms hydrogen atoms ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS