Answer: Somatotopy.
The "map" of the body surfaces in the brain is called somatotopy.
In the cortex, it is also referred as the cortical homunculus.
This is the association between the positions of receptors in the body through respective nerve fibers and their terminal distribution in specific functional areas of the brain;
Correct answer - Glucose molecules.
Why? - During digestion, starch is partially transformed into maltose by the pancreatic or salivary enzymes called amylases maltase secreted by the intestine then converts maltose into glucose. The glucose so produced is either utilized by the body or stored in the liver as glycogen (animal starch).
Periosteum is the thin yet tough outermost layer of bones. Its many collagen fibers support the bone and firmly connect it to the surrounding structures. Osteogenic cells in the periosteum play a vital role in the growth and repair of bony tissue.
The nucleus, which controls all of the DNA and directions of functions of the cell.