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.
Pea protein has a high biological value, meaning your body absorbs it easily. Pea protein also provides the body with a substantial supply of beneficial amino acids.Pea protein delivers large amounts of the essential branched-chain amino acids isoleucine, valine, arginine and lysine.ccording to Mercola.com, a purveyor of pea protein powder, it is also environmentally friendly because there is no need to use nitrogen-rich fertilizers in the overall harvesting process.