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animal cell

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The cell is the basic unit of all organisms and is made of protoplasm The membrane is double walled whose selected permeability allow water and other materials in and out the cell. The protoplasm inside the cell, cytoplasm, composed mainly of water and structures called organelles. The control of the cell is the nucleus that contains the genetic material, DNA. The nuclear membrane is a doubled wall structure with pores that allow material in and out the nucleoplasm. The nucleoplasm is the protoplasm inside the nucleus containing DNA and ribosomes. The DNA and ribosomes are arrange in a loose and diffuse state called chromatin. During cell division chromatin condenses to form short rod-like structures called chromosomes. Outside the nucleus are the organelles. The mitochondria is the site where glucose is converted to ATP which the cells use for energy. The equation illustrates how a mitochondria converts glucose into ATP, carbon dioxide and water: cellular respiration. Lysosomes digest store food, build and repair cellular components and destroy weakened cell components. The endoplasmic reticulum, or ER, is the transport system for the cell that brings materials from the cell membrane to the nuclear membrane. Two types of ER include smooth and rough, wich has ribosomes. Ribosomes are responsible for protein synthesis. Compounds secreted by the cell are stored and concentrated in the Golgi Apparatus. Centrioles form spindle fibres during cell division to guide the duplicated chromosomes of the newly-formed cells. Transcription: Javier Suarez

Video Details

Duration: 1 minute and 49 seconds
Country: Spain
Language: English
Genre: None
Views: 55
Posted by: mallori on Apr 11, 2012

The video describes the parts of an animal cell

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