Test IMAT - Medicina in Inglese 2020-2021: domande di Biologia

Domanda 9 di 18

What is the correct order of the following events that occur immediately after acetylcholine binds to postsynaptic receptors of a muscle fibre, causing the muscle to contract? 1. Ca²⁺ ions diffuse into the sarcoplasm - 2. The muscle fibre membrane is depolarised - 3. The myosin binding site on the actin filament is uncovered.