Water, pH and Macromolecules Which of the following character does not apply to water? The water molecule is asymmetric The covalent bonds in water are highly polarized All three atoms in the water molecule readily form hydrogen bonds The water molecule readily forms hydrophobic interactions The water molecule is asymmetric The covalent bonds in water are highly polarized All three atoms in the water molecule readily form hydrogen bonds The water molecule readily forms hydrophobic interactions ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A biological polymer contains alanine, tyrosine, and lysine. Which of the following will be true about this molecule? Protein Strong base Phospholipid DNA Protein Strong base Phospholipid DNA ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Most of the important functional groups in biological molecules contain oxygen and a phosphate oxygen and/or nitrogen and are polar nitrogen and a phosphate oxygen and/or nitrogen and are acidic oxygen and a phosphate oxygen and/or nitrogen and are polar nitrogen and a phosphate oxygen and/or nitrogen and are acidic ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following will easily dissolve in a polar solvent? sodium chloride methane gasoline (heptanes & octanes) argon sodium chloride methane gasoline (heptanes & octanes) argon ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The dissociation constant of H2O at 25° C is 10-7 M 10-14 M 107 M 1014 M 10-7 M 10-14 M 107 M 1014 M ANSWER DOWNLOAD EXAMIANS APP
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 1 x 10-7 7 5 x 10-7 7 x 10-7 1 x 10-7 7 5 x 10-7 ANSWER DOWNLOAD EXAMIANS APP