This macromolecule is composed of carbon, hydrogen and oxygen but is not a lipid

its been noted for the past decade or so that there is some (approximately 5% to 7%) shrinkage in the brains of people who have schizophrenia, most notably in the gray matter, which is an important part structures in the brain’s amygdala, hippocampus and parahippocampus, which are all involved in memory storage and retrieval memory storage and retrieval.

explanation:

ive read articles

not sure if this is what you'r looking for nnew= nold

answer; both surfaces of the membrane are nonpermeable