Chlorphyll is not any of the listed biomolecules, but it is most closely related to carbohydrates as it contains Carbon, Hydrogen, and Oxygen. Chlorophyll is actually a pigment that absorbs light
NOUN
the natural coloring matter of animal or plant tissue.
VERB
(pigmented)
color (something) with or as if with pigment.
"pigmented areas such as freckles"
Medulla oblongata is the part of the brainstem that controls the autonomic functions such as sneezing, coughing, digestion and etc.