Myosin is which type of filament?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $25.99Unlock all

Prepare for the Anatomy and Physiology CFE Exam with our comprehensive quiz that covers key topics through flashcards and multiple choice questions. Study effectively and enhance your knowledge to succeed!

Multiple Choice

Myosin is which type of filament?

Explanation:
In skeletal muscle, filaments are categorized as thick and thin. Myosin forms the thick filament, serving as the motor that pulls on actin during contraction. Its long tails create the filament backbone, while the heads reach out to bind actin on the thin filaments and hydrolyze ATP to drive the sliding of filaments together, shortening the sarcomere and generating force. The other proteins listed are not thick filaments: titin provides elasticity and anchors thick filaments within the sarcomere; nebulin helps define thin filament length along actin; actin is the primary component of the thin filament. So, myosin is the thick filament.

In skeletal muscle, filaments are categorized as thick and thin. Myosin forms the thick filament, serving as the motor that pulls on actin during contraction. Its long tails create the filament backbone, while the heads reach out to bind actin on the thin filaments and hydrolyze ATP to drive the sliding of filaments together, shortening the sarcomere and generating force. The other proteins listed are not thick filaments: titin provides elasticity and anchors thick filaments within the sarcomere; nebulin helps define thin filament length along actin; actin is the primary component of the thin filament. So, myosin is the thick filament.

More Multiple Choice Questions
Subscribe

Get the latest from Passetra

You can unsubscribe at any time. Read our privacy policy