The outermost layer of cells - Epidermis, Simple permanent tissues are plant tissues which are made up of only one type of cells. They are of three types : - parenchyma, collenchyma and sclerenchyma., Mostly, the flesh of the fruit is made of ___________. - Parenchyma, Husk of a coconut is made of _______ tissues. - Sclerenchyma , . Permanent tissues are immature in nature. Is it True or False? - False. Permanent tissues are fully mature tissues., What is the structure of a cell wall in parenchyma tissue? - Parenchyma cells have a thin cell wall made of cellulose. , What is lignin?  - It is a complex organic polymer deposited in the cell walls of many plants., Do human beings have epidermis? - Yes. ,

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