Which of the Following Statements Best Describes the Molecular Basis

question 26

Multiple Choice

Which of the following statements best describes the molecular basis of muscle shortening?

• A)Rod- shaped protein polymers shorten by losing subunits from their ends.
• B)Individual filamentous proteins shorten by coiling.
• C)Individual filamentous proteins contract.
• D)Protein filaments crawl along other protein filaments.

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