TLS Online TPP Program

#Question id: 32388


What is the role of troponin I in muscle contraction?

#Unit 2. Cellular Organization
  1. It binds to actin and promote myosin binding in resting muscle
  2. It binds to actin and helps inhibit myosin binding in resting muscle
  3. It anchors tropomyosin to myosin filaments
  4. It directly hydrolyzes ATP for muscle contraction