分生组织的特征,类型及主要功能

2025-03-16 18:02:57
推荐回答(2个)
回答1:

特征:细胞较小,接近于正方形,原生质浓,核相对较大,没有大的液泡,具有持续分裂能力。
类型:
1按来源分类:原分生组织;初生分生组织;次生分生组织
2按位置分类:顶端分生组织;居间分生组织;侧生分生组织;tontos
功能:主要进行细胞分裂增加数目

回答2:

由于都是刚分裂形成的细胞,细胞未来得及充分生长,所以细胞个体一般不大,但细胞核大,这是其主要的特征。
类型怎么个意思,搞不懂。不过举几个例子:根尖的分生区,芽上的生长点
主要功能,“分生”,顾名思义,分裂产生新细胞

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