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Sunday, October 20, 2019

Eukaryotic Cell Anatomy Review

Eukaryotic Cell Anatomy Review This cell anatomy review is designed to test your knowledge of eukaryotic cell anatomy. Cells are the basic unit of life. There are two primary types of cells: prokaryotic and eukaryotic cells. Prokaryotic cells have no true nucleus, while eukaryotic cells have a nucleus that is enclosed within a membrane. Bacteria and  archaeans are examples of prokaryotic cells. Plant cells and animal cells are eukaryotic cells. Organelles There are some differences in the kinds of cell organelles that can be found within plant and animal cells. For example, plant cells contain cell walls and plastids, while animal cells do not. Cell Shapes All cells do not look the same. They come in varying shapes and sizes and are well suited for the roles they fill in the proper functioning of an organism. For example, nerve cells are elongated and thin, with projections that extend out from the cell body. Their unique shape helps neurons communicate with one another. Other body cells, such as red blood cells, have a disc shape. This helps them to fit into tiny blood vessels in order to transport oxygen to cells. Fat cells are round in shape and become enlarged when storing fat. They shrink as the stored fat is used for energy.

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