explain and show all work and write clearly please answer all parts A to E or I will give you a thumbs down and report you

Phosphocholine with two 16:0 saturated tails (called dipalmitoylphosphatidylcholine, DPPC). Shade or use a colored pen/pencil for the glycerol moiety/backbone. Sphingomyelin. Shade or use a colored pen/pencil for the sphingosine moiety. Phosphoethanolamine with 16:0/18:1 tails (called 1-palmitoyl,2oleoylphosphatidylethanolamine, POPE). Draw an arrow to highlight the PE headgroup. Cholesterol. Cardiolipin with any set of four tails. What is the net charge on this molecule