Proteins do most of the work in cells. Proteins are required for the structure, function, and regulation of the bodyâ??s tissues and organs.
Cytoskeleton
They help the body to grow
Autotrophic organisms
I am pretty sure that it is protein. Protein help build and repair muscle and tissue.
In the human body, protein digestion ends in the small intestine. Protein is required to repair cells and to help new cells grow.
Your body is partly made of protein. No protean - no body!.
Ribosomes
Ribosomes
Help repair cells and growth in hair . That's the basics
they help transport protein through other cells
microfilaments
During protein synthesis a eukaryote cell has several structures that help the cell maintain homeostasis, and provide energy and the mechanisms for protein synthesis.