The main components of the thick filaments of a sarcomere are ___ and the main components of the thin filaments of a sarcomere are ___.
A) actin---myosin
B) myosin---actin
C) myofibrils--actin
D) A lines---Z lines
E) myofibrils---myosin

Question

Quizplus · Accepted Answer

The thick filaments of a sarcomere are composed of myosin, while the thin filaments are composed of actin. Therefore, option B is the correct answer. Option A, C, D and E are incorrect.

The Main Components of the Thick Filaments of a Sarcomere