The answer that would best complete the given statement above would be the second option: MUSCLES. Contractile proteins are found in muscles. <span>The muscles themselves contain muscle fibers, each of which contains cylindrical strands of </span>contractile proteins <span>called myofibrils. Hope this answers your question.</span>
This is called the basement membrane.
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Oceanography, geology, meteorology, astronomy, and environmental science
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okay so just act out the character when you write it down what exactly are they asking you to do the directions aren't even clear. I do not like what these teachers give out these
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