Question

The striations in skeletal muscle fibers are attributable to

Answer 1

Answer:

The arrangement of thin and thick filaments in myofibril.

Explanation:

Myofibril is defined as the basic rod like structure present in muscle cells. They are made up of long proteins including titin, actin, and myosin, and other proteins are helping them to hold together. The organization of these proteins are thin, and thick filaments which is known as myofilaments.

Thin filaments: Contains the actin protein which is coiled with filament nebulin.

Thick filaments: Contains the myosin protein. It is also known for force generation.