Bioarchaeologists study: A. The human biological component of the archaeological record. B. Faunal assemblages from archaeologic
al sites in order to determine past interactions between human populations and animals. C. Macrobotanical remains from archaeological sites in order to interpret past interactions between human populations and plants. D. All of these choices are correct; bioarchaeologists study all aspects of ancient life (plant, animal, and human) in archaeological contexts.
Myelin is present in the axons of nerve cells. It is composed of a class of lipids called sphingolipids with choline, galactose, glucose present in the chemical composition alongside N-acylsphingosine.
Thus, Myelin is composed of lipids and carbohydrates
