Etymology:
Meaning:
Protoplasm refers to the living substance that makes up the cells of all living organisms. It is the material that contains all the essential components necessary for life, such as proteins, nucleic acids, carbohydrates, and lipids.
Origin:
The term "protoplasm" was first used by German botanist Hugo von Mohl in 1846. Mohl observed that the cells of plants contained a gelatinous substance that he called "protoplasm." He believed that this substance was the seat of life and that it was responsible for all the functions of the cell.
Over time, the concept of protoplasm has evolved as scientists have learned more about the structure and function of cells. Today, we know that protoplasm is not a single, uniform substance but rather a complex mixture of molecules and organelles. However, the term "protoplasm" is still used to refer to the living material that makes up cells.
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