A membrane is held together primarily by

The thick filaments in 'A' band are held together in the middle of this band by a thin membrane called

Compound pollens held together in sporangium are called

The thick filaments in'the A-band of a myofibril are held together in the middle of this band by a thin fibrous membrane called

The thick filaments ih'the A-band of a myofibril are held together in the middle of this band by a thin fibrous membrane called