What is a “sarcomere”? A. a cancer of connective tissue B. the cytoplasm of a muscle cell C. a section of a myofi lament. D. the plasma membrane of a muscle cell.
Option C. A sarcomere is the fundamental contractile unit of a myocyte (muscle fibre). A sarcomere consists of fundamental protein filaments (thin actin and thick myosin filaments) which might be the lively systems liable for muscular contraction
