During muscle contraction, Ca²⁺ ions bind to

  1. troponin
  2. tropomyosin directly
  3. actin
  4. myosin
Answer

A) troponin

Troponin changes shape. AS & A Level Biology · Topic 15 Control and Coordination · 15.1 Control and coordination in mammals

Biology MCQ · More A Level Biology: Control and coordination MCQs · Practise