It's called a conduit. 
Hope this helped!
        
             
        
        
        
A cell speed approximately
 "10% or less" or option A in the M phase of a cycle of a cell. M phase the part of the cell cycle<span> during which mitosis occurs which is when they divide the twenty-four chromosomes to make sex cells. Twelve from your Father, Twelve from your Mother.
Hope this helps!
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the middle of metaphase I
 
        
                    
             
        
        
        
<span>A polypeptide is a single linear chain of many amino acids, held together by amide bonds. A protein consists of one or more polypeptides (more than about 50 amino acids long). An oligopeptide consists of only a few amino acids (between two and twenty).  </span>
<span />A polypeptide