The portal has been deactivated. Please contact your portal admin.

Practice: Muscle Contraction

Which of the following best describes the structure of an actin filament?

  • AA thick filament with a globular head and a cylindrical tail
  • BA thin filament that is made up of two molecules twisted around each other

Correct Answer

Incorrect Answer

Action required

Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.