When the mrna has done it's job for the celll and is no longer of any use, it starts to degeneate
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Look up the symbol that it is pointing to and the name should pop up
<span>In the "all or none" law of muscle contraction, it states that when the stimulus applied exceeds threshold then the the nerve sending signals to a few muscle fibers will give a complete response; contraction. Graded response is dependent on how many motor units have been recruited. The more motor units, the greater the force in the contraction.</span>
Answer:
homologous chromosomes
Explanation:
homologous chromosomes is the answer
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