Multiple choice

Which of the following is the feature of primary myofilaments?

  1. They occur in I band of sarcomere.

  2. Their one end is joined with Z line.

  3. They are more in numbers than the secondary myofilaments.

  4. Their thickness is more than the secondary myofilaments.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Their thickness is 0.01 micron while that of secondary myofilament is 0.005 micron.

Keep practicing — related questions