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Reference Terms
from Wikipedia, the free encyclopedia

Plant cell

There are three major classes of plant cells that can then differentiate to form the tissue structures of roots, stems, and leaves. (The three distinct types of plant cells are classified according to the structure of their cell walls and features of their protoplast. Plants will have a primary cell wall and sometimes a secondary wall as well. These two major parts are what determines the function of each individual plant cell.)

The tissue types are: Dermal tissue - the outer most covering of a plant; Vascular tissue - Responsible for transport of materials throughout the plant; Ground tissue - Performs photosynthesis, starch storage and structural support.

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November 13, 2026

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A nearly 50-year-old mystery involving disappearing frogs in Brazil may finally be solved, with scientists uncovering evidence that a deadly fungus swept through the region and devastated vulnerable species. Remarkably, many frog populations have ...
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Stanford scientists have developed a revolutionary microscope that reveals the hidden inner workings of living cells in real time, without the fluorescent labels that can interfere with observations. The breakthrough could provide new insights into ...
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