NEET 2006 · Class 11

Locomotion and Movement

The contractile protein of skeletal muscle involving ATPase activity is

  1. (A)troponin
  2. (B)tropomyosin
  3. (C)myosin
  4. (D)α-actinin

The NCERT line that answers it

Verbatim line

The globular head is an active ATPase enzyme and has binding sites for ATP and active sites for actin.

Chapter
Locomotion and Movement
Section
17.2.1 Structure of Contractile Proteins
Page
4
Words matched
19 of 19

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

6667, emb=0.963, combined=0.8445). Verified: high — The span explicitly states 'The globular head is an active ATPase enzyme', directly identifying myosin as the contractile protein with ATPase activity, which conclusively distinguishes it from the other options.

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