Multiple choice

Which of the following is the basic unit of striated muscle tissue?

  1. Myofibrils

  2. Myosin

  3. Sarcomere

  4. Tropomyosin

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sarcomere is the basic unit of striated muscle tissue. It is composed of long, fibrous proteins as filaments that slide past each other when a muscle contracts or relaxes.