Which of the following statements about the skeletal muscles is false?
a) Thick filaments in the A band are also held together in the middle of this band by a thin fibrous membrane called M line.
b) In the centre of each I band there is an elastic fibre called Z line which bisects it.
c) The thin filaments are firmly attached to the Z line.
d) This central part of thick filament, not overlapped by thin filaments is called the H zone.
e) Each F actin is a polymer of monomeric meromyosins.