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** The cell membrane of spermatozoon is sensitive to sudden drops in temperature ''''cold shock''''.
 
** The cell membrane of spermatozoon is sensitive to sudden drops in temperature ''''cold shock''''.
 
** Slow, controlled cooling of sperm is important because it minimizes stress on the cell membrane by lowering temperatures gradually.
 
** Slow, controlled cooling of sperm is important because it minimizes stress on the cell membrane by lowering temperatures gradually.
** A low storage temperature reduces metabolism by about 50% for each 10 C decline.
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** A low storage temperature reduces metabolism by about 50% for each 10◦C decline.
 
*** Enables conservation of their fixed amount of metabolic energy.
 
*** Enables conservation of their fixed amount of metabolic energy.
  
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