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04-13-2008, 05:12 AM
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| Know biology?
Which of the following choices best describes the molecular basis of muscle shortening? A) Individual filamentous proteins contract. B) Individual filamentous proteins shorten by coiling. C) Rod-shaped protein polymers shorten by losing subunits from their ends. D) Rod-shaped, gel-like proteins contract by dehydrating. E) Protein filaments crawl along other protein filaments.      |
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