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| Have you ever wondered about cells?? About what they look like? Or even the different parts? Well if you have, then this website is for you!! The Cell Theory: All living things are made of cells. Cells are the basic units of life. Cells come only from other cells. Plant and animal cells are what we call Eukaryotes: (Cells that contain a nucleus and organelles surrounded by a membrane.The cells of protozoa, algae, fungi, plants, and animals are eukaryotic cells.) Here are what a plant and animal cell looks like: Plant Cell Animal Cell Cells have lots of different parts. Under this peice of writing; there are some of the parts and description of a plant and animal cell: Cell Wall - Like their prokaryotic ancestors, plant cells have a rigid wall surrounding the plasma membrane. It is a far more complex structure, however, and serves a variety of functions, from protecting the cell to regulating the life cycle of the plant organism. Chloroplast - The most important characteristic of plants is their ability to photosynthesize, i.e. make their own food by converting light energy into chemical energy. This process is carried out in specialized organelles called chloroplasts. Endoplasmic Reticulum - The endoplasmic reticulum is a network of sacs that manufactures, processes, and transports chemical compounds for use inside and outside of the cell. It is attached to the double-layered nuclear envelope, providing a connection between the nucleus and the cytoplasm. In plants, it also connects between cells via the plasmodesmata. Nucleus - The nucleus is a highly specialized organelle that serves as the information and administrative center of the cell. Ribosomes - All living cells contain ribosomes, tiny organelles composed of approximately 60 percent RNA and 40 percent protein. In eukaryotes, ribosomes are made of four strands of RNA. In prokaryotes, they consist of three strands of RNA. Vacuole - stores compounds, helps in plant growth, and plays an important structural role for the plant I hope you enjoyed this website!! |
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