The sliding filament model of contraction involves:

a. actin and myosin sliding past each other and partially overlapping
b. the shortening of thick filaments so that thin filaments slide past
c. actin and myosin shortening but not sliding past each other
d. the z discs sliding over the myofilaments

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases