Synthetic glycerin is produced through chemical synthesis, often from petroleum-based products. And pure glycerin can be purchased online or from drugstores. If you want to try pure glycerin on ...

Phytosterols and glycerin are heated together to a temperature at which the water molecule that usually attaches to each phytosterol molecule boils off and is replaced by a glycerin molecule. Because ...

is in the sugar molecule. GNA uses a three-carbon sugar called glycerol rather than the five-carbon deoxyribose used in DNA. The sugar provides the chemical backbone for nucleic acid polymers ...

(B) A single glycerophospholipid molecule is composed of two major regions ... This head is connected to a glycerol (green) with two hydrophobic tails (purple) called fatty acids.