Moderate

The protein filament which binds to the calcium:

Correct answer: C. Troponin

  • A. Actin
  • B. Myosin
  • C. Troponin
  • D. Tropomyosin

Explanation

The protein filament which binds to the calcium troponin. Troponin plays a central role in the calcium regulation of muscle contraction: Troponin is the sole calcium-binding component of thin filaments (actin-tropomyosin-troponin complex) of striated muscles

Last updated

About Support and Movement

Support and movement covers the axial and appendicular skeleton, bone structure, joints and the arrangement of skeletal muscles. Muscle contraction is explained through actin, myosin, sliding filaments, calcium ions and ATP, while arthritis is distinguished as a disorder of joints rather than a normal part of movement.

Practise Support and Movement

738 free Support and Movement MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.

Exams that ask Biology questions like this

Biology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.

Related questions