What is the difference between:
(1) Meristematic cells and permanent cells.
(2) Parenchyma and collenchyma.
(1) Difference between Meristematic cells and Permanent cells.
|
Meristematic Cells |
Permanent Cells |
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1. They have dense cytoplasm and a large centrally placed nucleus. |
1. They have less amount of cytoplasm, large central vacuole, and normal nucleus. |
|
2. These cells are capable of dividing new cells. |
2. They attain permanent shape and are not capable to produce new cells. |
(2) Difference between Parenchyma and Collenchyma.
|
Parenchyma |
Collenchyma. |
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1. It is a living tissue. Its cells store may store waste products such as tanin, resins, crystals etc. |
1. It is livingtissue and provides tensile strength the organ in which they are present. |
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2. Parenchymatous cells may or may not have intercellular shape. Their walls do not have thickening at the corners. |
2. Collenchymatous cells, usually do not have intercellular spaces. They have thickening at the corners of cell walls due to deposition of cellulose and pectin. |
