Macmillan Learning Consider the characteristics of each type of molecule. COO H,N-C-H CH, Select characteristics by which amino acids such as alanine could be separated from fatty acids such as palmitate. the solubilities of the two molecules in water the presence of a positively charged group on one molecule ☐ the presence of a negatively charged group on one molecule Consider the characteristics of each type of molecule. OH CH, C-COO H H H-C-OH H-C-OH H C OH H Select characteristics by which lactate could be separated from glycerol. the presence of a negatively charged group on one molecule ☐ the solubilities of the two molecules in water the presence of a positively charged group on one molecule