why do parenchyma and collenchyma  have living cells although they are the part of pemanent tissue?

Asked by Amanjot | 17th Jul, 2016, 01:36: PM

Expert Answer:

Parenchyma have living cells due to their ability of cell division. They retain the ability to divide throughout their lives, so they are important in vegetative regeneration and wound healing. Similarly like parenchyma, collenchyma is living at maturity that can provide mechanical support and flexibility for branches, leafs, etc.

Answered by Sivanand Patnaik | 18th Jul, 2016, 08:15: AM