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MDCAT
Biology
2022

Biology · Support and Movement

Work through this past-paper style MCQ, then read the full explanation. Practice more biology questions on mMCQ with adaptive practice and topic analytics.

Question

Each myosin is surrounded by:

Options
  • A

    Motor nerves

  • B

    Myosin head 

  • C

    6-actin filaments

  • D

    2-actin filaments

  • E

    4- actin Filaments

Explanation

The correct answer is C 6-actin filaments, as each myosin filament is surrounded by six actin filaments in the sarcomere. 

Myosin is not surrounded by motor nerves.

Myosin is not surrounded by a myosin head. 

Myosin is surrounded by 6-actin filaments. 

Myosin is not surrounded by 2-actin filaments. 

Myosin is not surrounded by 4-actin filaments.  

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Tagged under Biology · Support and Movement · 2022