Ascientist is comparing the outer structure of an onion cell, structure x, to the outer structure of a human skin cell, structure y. which generalization is true about the types of structures being examined? edgeunity

The right answer is C) Structure X is only found in plant cells, and structure Y is found in plant and animal cells.

In eukaryotes, the plant cell is distinguished from animal cells by the simultaneous presence of pectocellulosic wall (structure X), vacuole and plastids.

the plant cell is bordered by a wall (structure X) and not only by a cytoplasmic membrane (structure Y). Thus, the formation of an external skeleton forming around the phospholipidic double layer is observed. From the inside to the outside we can see the secondary wall directly in contact with the plasma membrane, the primary wall, then the middle lamella.

This wall (structure X) allows them to acquire a certain rigidity essential to the maintenance of a strong intracellular osmotic pressure, itself essential to the wearing of the plant.

The cytoplasmic animal and plant membranes (structure Y) separate the interior of the cell from the extracellular medium while maintaining communications and exchanges with it. It ensures the recognition of signals and molecules from the extracellular medium, due to the specific molecular receptors it contains.

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