Answers>Biology>A Level>Article

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

2697 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

Explain how you would test for the presence of lipids and proteins in an unknown solution. Give details on any observations you would expect to make.

What is osmosis and how does it differ from what I learned at GCSE about diffusion

Describe the lac operon, and it's transcriptional control when the concentration of glucose is low, and the concentration of lactose is high.

How can high absorption of salt fro the diet leading to high salt concentration in local capillaries lead to build-up of tissue fluid?

Popular Requests

Maths tutor Chemistry tutor Physics tutor Biology tutor English tutor GCSE tutors A level tutors IB tutors Physics & Maths tutors Chemistry & Maths tutors GCSE Maths tutors

CLICK CEOP

Internet Safety

Payment Security

Cyber

Essentials

MyTutor is part of the IXL family of brands:

IXL

Comprehensive K-12 personalized learning

Rosetta Stone

Immersive learning for 25 languages

Wyzant

Trusted tutors for 300 subjects

Education.com

35,000 worksheets, games, and lesson plans

Vocabulary.com

Adaptive learning for English vocabulary

Emmersion

Fast and accurate language certification

Thesaurus.com

Essential reference for synonyms and antonyms

Dictionary.com

Comprehensive resource for word definitions and usage

SpanishDictionary.com

Spanish-English dictionary, translator, and learning resources

FrenchDictionary.com

French-English dictionary, translator, and learning

Ingles.com

Diccionario ingles-espanol, traductor y sitio de apremdizaje

ABCya

Fun educational games for kids