Read the given statements and select the correct option.
Statement 1: A primary myofilament is composed of a bundle of rod-like molecules of a protein myosin.
Statement 2: Myosin and actin together a form a contractile apparatus.

Options

A. Both statement 1 and 2 are correct.
B. Statement 1 is correct but statement 2 is incorrect
C. Statement 1 is incorrect but statement 2 is correct.
D. Both statement 1 and 2 are incorrect.

Answer

A

Explanation

The primary myofilaments consist mainly of myosin protien. In the presence of `Ca^(2+)` and enerhy from ATP, actin and myosin interact forming actomyosin which causes contraction of muscles.