Mystery Solved:How Do Tips of Plants Stay Virus-free?  

出　　处：《Bulletin of the Chinese Academy of Sciences》2020年第4期236-237,共2页中国科学院院刊（英文版）

摘　　要：Plants can keep grow ing indefinitely because they have tissues made of meristems-plant stem cells-which have the unique ability to transform themselves into the various specialized cells that make up the plant,dividing whenever appropriate and producing new cells of whatever type as needed.Meristems exist at the tips of all plants,allowing them to grow new stems or new roots,and,in trees,also in the trunk,where they add extra girth.

关 键 词：PLANTS PLANT dividing 

分 类 号：S432.23[农业科学—植物病理学]