What is the Letter Associated with the Dark Bands in a Sarcomere

Question

What is the letter associated with the dark bands in a sarcomere?
A)I
B)A
C)Z
D)M
E)H

Accepted Answer

The dark bands in a sarcomere are known as the A bands, which are formed by the thick myosin filaments. Therefore, the letter associated with the dark bands in a sarcomere is B.