List four factors responsible for the decrease in useable energy

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

answer; ///(b) it is composed of four protein chains and four heme groups;

2%? i tried finding the exact sorry if it's not 100% correct ; -;

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.