MUSCLE PHYSIOLOGY

PHYSIOLOGY

SLIDING FILAMENT MODEL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following would you see on an actin filament
A
Head
B
Troponin
C
Tropomyosin
D
Both Troponin and Tropomyosin
Explanation: 

Detailed explanation-1: -Tropomyosin is found on myosin whereas, troponin is found on actin filament.

Detailed explanation-2: -Association of tropomyosin and troponins with actin filaments. (A) Tropomyosin binds lengthwise along actin filaments and, in striated muscle, is associated with a complex of three troponins: troponin I (TnI), troponin C (TnC), and troponin T (TnT).

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