Cells Plant and animal


All living organisms are composed of one or more cells. All of our cells serve a role in our body. Cells were discovered by Robert Hooke using a microscope. They are sometimes called 'The Building Blocks of Life'. Cells all have certain organelles. They have a mitochondria which are the 'power house'. It creates ATP which are energy molecules. Cells also have a nucleus which is the 'brain' of the cell. Inside the nucleus is the nucleolus and the nucleolus produces the ribosomes. The ribosomes are the organelles that create the protein and link the chains of amino acid together. The jelly-like liquid that fills the cell is called the cytoplasm. The membrane that surrounds the cell is called the cell membrane which allows the materials to enter/exit. All cells also have a Golgi apparatus which receives the protein from the rough ER, packages it and puts it in vesicles. Cells can also have a vacuole. Vacuole's can store food, nutrients or waste.

Plant Cell

Plant Cells

Diagram of a plant cell http://www.enchantedlearning.com/subjects/plants/cell/

Plant cells are very similar to animal cells but there are slight differences. Plant cells include: Cell wall, cell membrane, vacuole, nucleus, nucleolus, nuclear membrane, chloroplast, mitochondria, cytoplasm, rough ER, smooth ER, ribosomes and the Golgi body. Plant cells have a cell wall which adds support for growth, made from cellolose. Plant cells also have chloroplasts which make the plant cells green. Chloroplasts perform photosynthesis which turn water and carbon dioxide to oxygen and glucose. Vacuoles are also much larger in plant cells.

Animal Cell

Animal Cells

Diagram of a Animal Cell http://www.enchantedlearning.com/subjects/animals/cell/

Animal cells are also slightly different from plant cells. Animal cells include: Cell membrane, lysosome, nucleus, nucleolus, nuclear membrane, vacuole, mitochondria, cytoplasm, rough ER, smooth ER, ribosomes and the Golgi body. Animal cells have centrioles which plant cells do not have. Animal cells also have lysosomes which destroys dying cells and breaks down food. The vacuoles in animal cells are much smaller than the ones in the plant cells.

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