Question

Identify the hormone shown here. What membrane lipid is it derived from?

Short answer

The hormone isceramide-1-phosphate,and the membrane lipid issphingomyelin.

Step-by-step solution

Introduction

Ceramides are waxy lipid molecules. Sphingosine and a fatty acid make them up. Ceramides are abundant in the cell membranes of eukaryotic cells. Ceramides provide structural support. They have the ability to take part in cellular signaling.

Ceramide-1-phosphate

Ceramide-1-phosphate is a chemical that belongs to the sphingolipid family. The phosphorylation of ceramide produces it. Ceramide kinase is the enzyme that catalyzes this process. It has been discovered to be an arachidonic acid inducer that is both strong and selective. Ceramides are fatty acid amides with a lengthy dihydroxy or trihydroxy base chain.

Sphingomyelin

Sphingolipids includesphingomyelin. Animal cell membranes are the most common places to find them. Phosphocholine and ceramide are the main components. Sphingophospholipids, which include sphingomyelin, are also known as sphingomyelin. The activity of sphingomyelinases in animal tissues converts sphingomyelin to ceramides. The enzyme ceramide kinase then converts ceramide to ceramide-1-phosphate.

Conclusion

Thus, the hormone molecule given in the diagram is a lipid called ceramide-1-phosphate. Similarly, the membrane lipid from which the ceramide-1-phosphate molecule is derived issphingomyelin.