Basic unit of life
Cell
The basic unit of life is the cell. It is the smallest unit of life that is capable of performing all of the activities associated with life, such as metabolism, reproduction, and responding to stimuli. Cells can be classified into two types: prokaryotic and eukaryotic. Prokaryotic cells are simpler in structure, lack a true nucleus, and are typically smaller in size. Bacteria and archaea are examples of prokaryotic cells. Eukaryotic cells, on the other hand, are more complex, have a true nucleus enclosed by a nuclear membrane, and are generally larger in size. These cells are found in plants, animals, fungi, and protists. The importance of cells lies in their ability to form tissues, organs, and ultimately, multicellular organisms. Understanding the structure and function of cells is crucial in the fields of biology and medicine.
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