single sarcomere will contain :

each actin is surrounded by ___ myosin filaments , while each myosin is surrounded by ___ actin filaments.

during complete contraction of muscle , which zone is completely disappeared :

regulating proteins of muscles are :

length of which zone/band increases during complete muscular contraction :

cross arm in myosin contains :

components of thin filament of a sarcomere are :

actin protein occurs in which of the following forms :

which elements are involved in muscle contraction :

all of the following changes occur during contraction of a muscle fibre except one :

stimulation of a muscle fibre by a motor neuron occurs at :

actin binding sites are located on :