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Cell Structure - Essay Example

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Cell Structure

Plant and animal cells each have a true nucleus because they are both eukaryotic organisms. This central membrane-bound compartment is the site of storage for most of the cell's genetic material. Within the nucleus there is a nucleolus which produces ribosomes. Likewise, both plant and animal cells have corresponding organelle structures with identical functions. This includes: rough endoplasmic reticulum, smooth endoplasmic reticulum, peroxisomes, lysosomes, Golgi bodies, secretory vesicles, mitochondria, microtubules and microfilaments, cell membrane, cytosol, and a centrosome.
Both plant cells and animal cells have an organelle known as the vacuole, but there are major functional differences between an animal vacuole and a plant vacuole (Cell Models, 2006). In animal cells the vacuole generally has a small size. It is used for storing waste products and serves as an area for digestion. In plant cells the vacuole makes up a much larger percentage of the internal volume. Besides the functions of waste storage and digestion, the plant vacuole has other important roles. Plant vacuoles hold nutrients and water. They help the plant cells to expand during the cellular growth process. ...Show more

Summary

The most significant similarity between plant cells and animal cells is that they are both eukaryotic. Of the two classes of cell types eukaryotic and prokaryotic, all plants and animals are composed of cells from the former group while all bacteria and cyanobacteria fall into the later group…
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