Who discovered the cell i first time?
What are the difference in Parenchyama, and Colenchyama?
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robert hooke discovered the cell for the first time
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Hooke
The first cells from an organism (cork) were observed by Hooke in the 1600s. Soon after, microscopist van Leeuwenhoek observed many other living cells. In the early 1800s, Schwann and Schleiden theorized that cells are the basic building blocks of all living things.
Parenchyma has a thin cell wall of their cells, and are made up of cellulose. Whereas collenchyma cells have an uneven cell wall made up of pectin and hemicellulose. There is a hard and thick cell wall present of the sclerenchyma cells, which is made up of the lignin.
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