Orthobullets - Type I collagen fibers are most responsible... | Facebook
Collagen (fiber, molecule, and Amino acid sequence). Molecular structure. Three polypeptides coil to form tropocollagen. Tropocollagens bind together Stock Vector Image & Art - Alamy
Eng3 Corporation on Twitter: "How does collagen build muscles and more? Sections of amino acid chains called polypeptides coil together. This binds together to form a fibril which makes up a collagen