When muscle cells are viewed under the microscope, one can see that they contain a striped pattern (striations). This pattern is formed by a series of basic units called sarcomeres that are ...

Molecular Medicine: A field of medicine that focuses on the molecular and genetic basis of diseases and ... with actin filaments to facilitate muscle contraction. Cryo-electron microscopy: A ...

"Biology uses chemically powered molecular machines for every biological ... Motormolecule gel contraction 3MB. Credit: University of Manchester The artificial rotary motors are incredibly tiny ...