Difference between parenchyma collenchyma and sclerenchyma in simple way
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1st one... parenchyma
2nd one.... collenchyma
3rd one... sclerenchyma..
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2nd one.... collenchyma
3rd one... sclerenchyma..
hey... it became year for me to open my biology class notes.. I opened it today coz of u. tq
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Simple permanent tissue is divided in three parts that are :PARENCHYMA,COLLENCHYMA,
SCLERENCHYMA
Parenchyma: The cells of the tissue is may be oval,spherical or polygon. The cell wall is thin and there are spaces between the cells (intercellular spaces ) the function of this cell is to store food and water.It is present in all parts of a plant. In leaves , it has the additional responsibility of manufacturing food via photosynthesis.
Collenchyma: The cells of Collenchyma are thick-walled and elongated,with oblique or tapering ends.In transverse (horizontal) section , they look circular, oval or polygon.There are no intercellular spaces,as pectin (a type of carbohydrate) and other substances are deposited between the cells.Collenchyma is found in the stem and the petioles of leaves.It's function is to provide support and flexibility. It is not found in roots.
Sclerenchyma: Sclerenchyma is made of dead cells tgat are packed together closely.The cells are elongated with pointed ends.The cell wall is thick due to the presence of a chemically complex substance called lignin.This makes the cells strong and resistant to decomposition. There are no intercellular spaces between the cells of Sclerenchyma. Sclerenchyma provides strength to the body of the plant
SCLERENCHYMA
Parenchyma: The cells of the tissue is may be oval,spherical or polygon. The cell wall is thin and there are spaces between the cells (intercellular spaces ) the function of this cell is to store food and water.It is present in all parts of a plant. In leaves , it has the additional responsibility of manufacturing food via photosynthesis.
Collenchyma: The cells of Collenchyma are thick-walled and elongated,with oblique or tapering ends.In transverse (horizontal) section , they look circular, oval or polygon.There are no intercellular spaces,as pectin (a type of carbohydrate) and other substances are deposited between the cells.Collenchyma is found in the stem and the petioles of leaves.It's function is to provide support and flexibility. It is not found in roots.
Sclerenchyma: Sclerenchyma is made of dead cells tgat are packed together closely.The cells are elongated with pointed ends.The cell wall is thick due to the presence of a chemically complex substance called lignin.This makes the cells strong and resistant to decomposition. There are no intercellular spaces between the cells of Sclerenchyma. Sclerenchyma provides strength to the body of the plant
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