Molecule broken down as a source of energy

What advantages does a pedigree have over a written passage?

What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin

Do the following statements describe actin, myosin, both of the proteins or neither of the proteins? (a) contains a binding site for calcium (b) found in the i band (c) exists in a globular (g) form and a filamentous (f) form (d) contains a binding site for atp (e) is a component of the thin filament (f) is a component of the thick filament