In the sliding filament model of muscle contraction,I bands contain
A)thick filaments.
B)thin filaments.
C)myosin.
D)sacrcomeres.
E)both thick and thin filaments.

Question

Quizplus · Accepted Answer

I bands contain thin filaments, made of actin protein, which slide past the thick filaments, made of myosin, during muscle contraction. The I band is the region where thin filaments do not overlap with thick filaments, causing the band to appear lighter under a microscope.

In the Sliding Filament Model of Muscle Contraction,I Bands Contain