The variable region limits the
antibody's specificity, otherwise known as the unknown effector function.
It<span> identifies the class or isotype of the antibody between
an anti-pollen IgM, IgE, and IgG. However, the constant domain in the light
chain does not regulate the function.</span>
 
        
             
        
        
        
Answer: If you're talking about the Edgenuity question, B and D are the answers.  (Cell contains hereditary information that is passed from cell to cell during cell division and all cells perform similar metabolic activities.)
Explanation: 
 
        
             
        
        
        
To see metaphase I animated, click the Play button. The centrioles are at opposite poles of the cell. The pairs of homologous chromosomes (the bivalents), now as tightly coiled and condensed as they will be in meiosis<span>, become arranged on a plane equidistant from the poles called the metaphase plate.</span>
        
             
        
        
        
Glycolysis is the breakdown of metabolic materials into energy and pyruvic acid. it is supported by me because without energy we wouldn't be able to do anything and almost every thing we do requires energy from taking a walk down to the pumping of blood by the heart throughout the body