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Which protein is primarily responsible for muscle contraction? (2019)

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Question: Which protein is primarily responsible for muscle contraction? (2019)

Options:

  1. Actin
  2. Myosin
  3. Tropomyosin
  4. Troponin

Correct Answer: Myosin

Exam Year: 2019

Solution: 

Myosin is the primary protein that interacts with actin to facilitate muscle contraction.

Which protein is primarily responsible for muscle contraction? (2019)

Practice Questions

Q1
Which protein is primarily responsible for muscle contraction? (2019)
  1. Actin
  2. Myosin
  3. Tropomyosin
  4. Troponin

Questions & Step-by-Step Solutions

Which protein is primarily responsible for muscle contraction? (2019)
  • Step 1: Understand that muscles are made up of proteins.
  • Step 2: Identify the two main proteins involved in muscle contraction: myosin and actin.
  • Step 3: Learn that myosin is the protein that pulls on actin to cause muscle fibers to shorten.
  • Step 4: Conclude that myosin is the primary protein responsible for muscle contraction.
No concepts available.
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