protein ____ is a nutrient that forms important structures in the body, makes up a key part of the blood, helps regulate many body functions, and can fuel body cells. amino acids join together to form this nutrient pregnancy and infancy the RDA for protein is higher than 0.8 grams per kilogram of body weight during false T/F animal proteins are not considered to be a good source of all nine essential amino acids Kwashiorkor what is the name of the disease known as the disease the ±rst ...