Carboxyl groups have an electronegative oxygen atom double bonded to a carbon atom. This carbon-oxygen bond is very polar and the fact that its a double bond increases the polarity of the bond.
PEA agar, also referred to as Phenylethyl Alcohol Agar is a medium  used by microbiologists to grow microorganisms. The ingredient that  supplies nitrogen is casein. Making the world better, one answer at a time.
1 Includes a plant-based digestive enzyme for improved nutrient assimilation and a liver and gall bladder support formula that helps prepare the liver for detoxification. 2  A 14 day supply of (single serving packets) non-GMO/vegan pea protein meal replacement.