5. __ 296. A compound contains hydroxyl groups as its predominate functional group. Which of the Following statements is true concerning this compound? A) It is probably a lipid. B) It should dissolve in water. C) It should dissolve in a nonpolar solvent. D) It is hydrophobic. E) It won”t form hydrogen bonds with water. __ 297. Which of the following contains nitrogen in addition to carbon, oxygen, and hydrogen? A) an alcohol such as ethanol b) a compound of fats such as glycerol c) a steroid such as testosterone d) an amino acid such as glycine e) a hydrocarbon such as benzene __ 298. Which two functional groups are always found in amino acids? A) amine and sulfhydryl b) carbonyl and carboxyl c) carboxyl and amine d) alcohol and aldehyde e) ketone and amine __ 299. Which of the following biological substances contains both an amino group and a carboxyl Group?