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 form a contractile apparatus.

Question

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 form a contractile apparatus. (A) Both statements 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 statements 1 and 2 are incorrect

Tardigrade Admin · Accepted Answer

The primary myofilaments consist mainly of myosin protein. In the presence of Ca2+ and energy from ATP, actin and myosin interact forming actomyosin which causes contraction of muscles.

Q. 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 form a contractile apparatus.

Both statements 1 and 2 are correct

Statement 1 is correct but statement 2 is incorrect

Statement 1 is incorrect but statement 2 is correct

Both statements 1 and 2 are incorrect

The primary myofilaments consist mainly of myosin protein. In the presence of $C a^{2 +}$ and energy from $A TP$ , actin and myosin interact forming actomyosin which causes contraction of muscles.

Q. 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 form a contractile apparatus.