Question

match the region of a sarcomere with its correct description
instructions
i band
a band
h zone
contains only myosin
contains only actin
contains actin and myosin

Explanation:

The I - band of a sarcomere contains only actin. The A - band contains both actin and myosin. The H - zone contains only myosin.

Answer:

I band: contains only actin
A band: contains actin and myosin
H zone: contains only myosin