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Describe the functions of the main cell components

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Describe the functions of the main cell components What is a cell? A cell is a basic unit of life. The whole body is made up of different types of cells. There are trillions of cells in the human body. Cells are often called the building blocks of life. All cells will be a different shape, size and will do a different job than others. Everyone has cells that are common but also very different; many people's cells will work in different ways and at different times. Cell membrane The cell membrane is the interior wall that separates the cells from the outside. ...read more.


The cytoplasm holds the organelles in place. There are different types of organelles in the cytoplasm: * Mitochondria * Lysosomes * Endoplasmic Reticulum * Golgi Apparatus I will be discussing each of these in fuller detail. Mitochondria The mitochondria are found inside the cytoplasm. Mitochondria's are sometimes described as "cellular power planets". The mitochondria are the cell that provides the body with energy. The cell transfers the energy so it can be used in different ways throughout the body. Each mitochondria has a double-layered membrane like the cell membrane but the inner-layer folds at intervals which produces shelves or ridges. Picture from (blog.bounceweb.com) Lysosomes Lysosomes help with the digestive system. ...read more.


This manufactures the cell protein and acts as temporary storage. Image from (http://www.ccs.k12.in.us/chsBS/kons/kons/eukaryotic%20cell/cytoplasm_and_its_associated_str.htm) Golgi apparatus The Golgi apparatus is formed as a series of flattened fluid sacks which all be stacked up onto up each other. There are many fluid-filled globules which lie close to the main stack. These are often termed vesicles. The name Golgi came from the Italian scientist who specialises in cells in the 19th and 20th centuries. The Golgi apparatus is responsible for producing the lysosomes. The Golgi apparatus is believed to deliver the protein to other organelles or outwards from the cell in secretions. "The Golgi apparatus is a cell structure mainly devoted to processing the proteins synthesized in the endoplasmic reticulum (ER)." (http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/G/Golgi.html) image from (missbakersbiologyclasswiki.wikispaces.com) ?? ?? ?? ?? Michaela O'Connor unit 5 P1 ...read more.

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