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Consider the following statements:1. Cross bridges can cause muscle contraction.2. They are able to oscillate back and forth and hook up with active sites on actin filaments3. The bridges enable the thin filaments to pull the thick filaments by a kind of back and forth movement.4. A single bridge thus hooks onto an active site, pulls the thin filaments a short distance, then releases it and again hooks on the next active site.Which of the above statements are correct?

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Consider the following statements:<br>1. Cross bridges can cause muscle contraction.<br>2. They are able to oscillate back and forth and hook up with active sites on actin filaments<br>3. The bridges enable the thin filaments to pull the thick filaments by a kind of back and forth movement.<br>4. A single bridge thus hooks onto an active site, pulls the thin filaments a short distance, then releases it and again hooks on the next active site.<br>Which of the above statements are correct?






 
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