actin
An appendicular skeleton is composed of 126 bones of the appendages, and pectoral and pelvic girdles.
Are compounds composed OF molecules? Yes they are.
Yes. Everything is composed of molecules (except for molecules themselves).
Yes. Molecules are composed of atoms. Atoms are composed of particles.
composed of dicrete molecules
The appendages of the skin are the same as the organs contained in the integumentary system. Which includes the nails, hair, sense receptors, sweat glands and oil glands.
Molecules are composed of particles. A solid is composed of molecules. I recommend you search the definition of a molecule so you can better understand.
Myosin
Yes. Gasoline is composed of organic molecules.
Integument System
they are both composed of atoms
Molecules have properties that are different from those of the elements of which the molecules are composed.