capsule

admin2014-04-15  32

问题 capsule

选项

答案Many bacteria synthesize large amounts of extracellular polymer when growing in their natural environments.When the polymer forms a condensed,well-de-fined layer closely surroudding the cell,it is called the capsule.

解析
转载请注明原文地址:https://kaotiyun.com/show/KY93777K
0

最新回复(0)