callose 

  1. 名詞
不可數名詞: (植物的)胼胝質

    
                        
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  2. 

    形容詞
(植物)有硬塊的, 有硬點的

    

    
                        
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例句

                

                    
    
                                                    
  1. 
                                Sieve-tube members that are alive contain a polymer called callose .                            
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                                Cell wall reinforcement ( callose , lignin, suberin, cell wall proteins)                            
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                                Callose stays in solution as long at the cell contents are under pressure.                            
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                                As a repair mechanism, if an insect injures a cell and the pressure drops, the callose will precipitate.                            
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                                However, the callose and a phloem protein will be moved through the nearest sieve plate where they will form a plug.                            
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