Question

Actin protein occurs in two forms:

• A. Polymeric F–actin and monomeric G–actin
• B. Monomeric F–actin and polymeric G–actin
• C. The tail and a head
• D. F–actin and G–actin, but both globular

Answer 1

The correct option is A Polymeric F–actin and monomeric G–actin

Actin is a muscle protein which is found in two forms:

G-actin – globular monomer form

F-actin- fibrous actin polymerized form.