Proteins are used for many reasons in the body, they are used as enzymes, hormones and for structural purposes.
enzymes
muscles and fat
they help you to get healthy
protein binds to a particle and uses energy to move through the cell membrane
Protein provide structure, and release hormones and enzymes.
to build muscle
to build muscle
active transport
Facilitated diffusion uses proteins to move a molecule across the cell membrane without energy.
A brownie's protein content is entirely dependent on the ingredients used. For example, a brownie recipe that uses a lot of eggs will have more resulting protein.
The body does store protein. Muscles are made almost entirely of protein, and when the body has a serious protein shortage, it can obtain protein from its muscles (which shrink accordingly).
Protein.