The charge that a neuron at rest maintains is due to the presence of a high number of charged ions inside the neuron's membrane.

the function of the protein macromolecule is to move things in and out of the cell and transport other molecules in the body. there are many functions of proteins. they are the basic building blocks of living things and are responsible for the growth and repair of body cells and tissues.

explanation:

answer; /// the shaft of the hair consists of dead cells;