Biochemistry Testbank 1 Premium Q’s and A’s 2024 Edition

Biochemistry Testbank 1 Premium Q’s and A’s 2024 Edition C) methanol - CORRECT ANSWER - Due to the formation of hydrogen bonds, _____ is highly soluble in water. A) carbon dioxide B) sodium chloride C) methanol D) octane E) cholesterol B) hydrogens interact with the chloride ion, oxygens interact with the sodium ion - CORRECT ANSWER - Which of the following explains the interactions that occur between the atoms of water molecules and the ions that form when sodium chloride dissolves in water? A) hydrogens interact with the sodium ion, oxygens interact with the chloride ion B) hydrogens interact with the chloride ion, oxygens interact with the sodium ion C) hydrogens interact with the sodium ion and the chloride ion D) oxygens interact with the sodium ion and the chloride ion E) none of the above A) the regular hydrogen bond pattern is disrupted resulting in a decrease of entropy - CORRECT ANSWER - When a non-polar substance is added to water, how do the molecules of water behave? A) the regular hydrogen bond pattern is disrupted resulting in a decrease of entropy B) the regular hydrogen bond pattern is disrupted resulting in an increase of entropy C) the regular hydrogen bond pattern is disrupted resulting in a decrease of enthalpy D) the regular hydrogen bond pattern is disrupted resulting in an increase of enthalpy E) none of the above E) all of the above - CORRECT ANSWER - Which of the following is an example of the hydrophobic effect? A) the lipid membrane of cells and organelles B) protein folding that places hydrophobic amino acids in the interior of the protein C) the separation of salad dressing D) oil sheens seen on the ocean following an oil spill E) all of the above