Biology·Prelims Questions
Structure of Contractile Proteins — Prelims Questions
NEET UG
Version 1Updated 21 Mar 2026
Q1medium
Which of the following statements about the structure of the thin filament is INCORRECT?
Q2easy
Which part of the myosin molecule possesses both actin-binding sites and ATPase activity?
Q3medium
During muscle contraction, the length of which of the following remains unchanged?
Q4medium
If a muscle cell is treated with a chemical that prevents the binding of calcium ions to troponin, what would be the immediate effect on muscle contraction?
Q5easy
Which of the following is NOT a component of the troponin complex?
Q6easy
A single myosin molecule is composed of: