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Animal Cell: Animal Cells
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Animal cells are typical of the eukaryotic cell, enclosed by a plasma membrane and containing a membrane-bound nucleus and organelles. Unlike the eukaryotic cells of plants and fungi, animal cells do not have a cell wall. This feature was lost in the distant past by the single-celled organisms that gave rise to the kingdom Animalia. Most cells, both animal and plant, range in size between 1 and 100 micrometers and are ... visible only with the aid of a microscope.
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An animal cell typically contains several types of membrane-bound organs, or organelles. The nucleus directs activities of the cell and carries genetic information from generation to generation. The mitochondria generate energy for the cell. Proteins are manufactured by ribosomes, which are bound to the rough endoplasmic reticulum or float free in the cytoplasm. The Golgi apparatus modifies, packages, and distributes proteins while lysosomes store enzymes for digesting food. The entire cell is wrapped in a lipid membrane that selectively permits materials to pass in and out of the cytoplasm.
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Teaching the parts of an animal cell is easy, thanks to this hands-on model! The soft foam cell splits in half to show the key parts of an animal cell, including the nucleus, nucleolus, vacuole, centrioles, cell membrane, and more. One hemisphere is labeled with the parts of the cell; the other features only letters next to each cell part, making it a natural tool for testing and assessing student comprehension. An activity guide is included, providing activity ideas and facts about animal cells. Cell measures five inches in diameter.
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Teaching the parts of an animal cell to your child is easy, thanks to this hands-on model! The soft foam cell splits in half to show the key parts of an animal cell, including the nucleus, nucleolus, vacuole, centrioles, cell membrane and more. One hemisphere is labeled with the parts of the cell; the other features only letters next to each cell part, making it a natural tool for your child to practice for his next test at home. A Reference Guide is included, providing activity ideas and facts about animal cells.
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The animal cell is a typical eukaryotic cell. It is surrounded by a plasma membrane, which forms a selective barrier allowing nutrients to enter and waste products to leave. The cytoplasm contains specialized organelles, each of which is surrounded by a membrane. There is only one nucleus and it contains all the genetic information necessary for cell growth and reproduction. The other organelles occur in multiple copies and carry out the various functions of the cell, allowing it to survive and participate in the functioning of the larger organism.
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Free standard shipping - Clearly seen from any area of the classroom and large enough for small hands to manipulate, these magnetic cell parts are ideal for illustrating the differences between plant and animal cells. Developed by science teacher Catherine Skye, this blackboard demonstration allows you to change the animal cell into a plant cell by drawing on the cell wall, adding chloroplasts, and removing centrioles. You can ... use the parts to identify the structures and functions of eukaryotic cells, compare and contrast the structures and functions of plant and animal cells, play Cell Bingo to review before an exam, or demonstrate other processes such as respiration and photosynthesis. -- Includes instructions. Grades 410.
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Animal Cells