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AIIMS 2011
Exam
AIIMS
Year
2011
Subject
Zoology
Chapter
Locomotion and Movement

AIIMS 2011 · Zoology · Locomotion and Movement

Skeletal muscles appear striated due to presence of two...

Skeletal muscles appear striated due to presence of two characteristic proteins in alternating dark and light bands. Which of the following is a correct match of the protein with its light refractive property and colour? Skeletal muscles appear striated due to presence of two characteristic proteins in alternating dark and light bands.

Options

  1. A(a)
  2. B(b)
  3. C(c)
  4. D(d)

Correct answer

D. (d)

Step-by-step solution

Each actin (thin) filament is a polymerised protein made up of two ' FF ' (fibrous) actin strands helically wound to each other. Each ' FF ' actin is a polymer of monomeric ' GG ' (globular) actins. It is light in colour \& shows isotropic property.
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