What is the thick outer covering of a plant cell called?

Answer 1

The structure that surrounds plant cells, but not animal cells, is the cell wall.

The cell wall is a tough and flexible but sometimes fairly rigid layer that surrounds some types of cells. It is located outside the cell membrane and provides these cells with structural support and protection. It also functions as a filtering mechanism to make sure that not everything can enter the cell. A major function of the cell wall is to counter pressure, preventing over-expansion when water fills the cell. The materials in a cell wall vary between species. In plants, the strongest component of the complex cell wall is a carbohydrate called cellulose, which is a glucose polymer. Fungi possess cell walls made of the glucosamine polymer called chitin, and algae typically possess walls made of glycoproteins and polysaccharides. Diatoms, however, have a cell wall composed of silicic acid.

Answer 2

Epidermis

The outermost layer of cells covering the leaves and young parts of a plant.

Answer 3

The outer, protective, layer of a seed is called the seed coat, seed cover or testa.

Answer 4

it is called the cell surface membrane.

Answer 5

Dermal tissue

Answer 6

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Answer 7

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Answer 8

Nut

Answer 9

CELL WALL

Answer 10

cell wall