In Muscle,thin Filaments are Made of _______ While Thick Filaments

Question

In muscle,thin filaments are made of _______ while thick filaments are made of _______.
A)myosin;actin
B)actin;myosin
C)myofibril;myofiber
D)myofiber;myofibril
E)none of the above

Accepted Answer

Thin filaments in muscle are primarily made up of the protein actin, while thick filaments are primarily made up of the protein myosin.