What are two protein filaments that interact in the sarcomere to cause muscular contraction?

Actin and myosin filaments. Myosin heads bind to actin filaments, and the hydrolysis of ATP causes them to change shape and pull the actin filaments along horizontally.

Answered by Louis W. Biology tutor

2120 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

Explain the four levels of protein structure, indicating the significance of each level


What are the key ideas surrounding homeostasis?


How does natural selection occur?


Nitrates and phosphates from fertiliser applied to crops may enter ponds and lakes. Explain how nitrate may cause the death of fish in fresh water.


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences