Sphingomyelin contains a fatty acid linked by an bond and phosphocholine linked via the c-3 hydroxyl group of sphingosine.

What must happen before a body cell can begin mitotic cell division

Explain that newton first law,second law and third law of motion?

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?