Cilia and Flagella By Morgan Brady.

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Presentation transcript:

Cilia and Flagella By Morgan Brady

Evolution Centrioles produce basal bodies Basal body in the cytoplasm Ex: the development of sperm cells Basal body in the cytoplasm Cilia and Flagella grow Remains attached to it Production is continued

Function Single-celled organisms Multi-celled organisms Locomotion Ex: sperms swimming Multi-celled organisms Move cells Transports fluid or materials past cells Ex: respiratory tract in humans Generates water currents to carry food

Paramecium - Locomotion http://faculty.clintoncc.suny.edu/faculty/michael.gregory/files/bio%20101/bio%20101%20lectures/cells/cells.htm Paramecium - Locomotion

Human respiratory tract - Move mucous and debris http://faculty.clintoncc.suny.edu/faculty/michael.gregory/files/bio%20101/bio%20101%20lectures/cells/cells.htm Human respiratory tract - Move mucous and debris

Where are they found? Cilia Flagella Animal cells (some) Protist cells Prokaryotes Flagella Animal cells (some) Prokaryotes Plant cells (some)

Structure Cilia: great numbers Flagella: solitary Hair- like Contain cytoplasm Enclosed by the plasma membrane 9+2 arrangement

http://www. google. com/imgres. imgurl=http://micro. magnet. fsu http://www.google.com/imgres?imgurl=http://micro.magnet.fsu.edu/cells/ciliaandflagella/images/ciliaandflagellafigure1.jpg&imgrefurl=http://micro.magnet.fsu.edu/cells/ciliaandflagella/ciliaandflagella.html&usg=__417IGvHznQqAG1tESCOATvap3OI=&h=254&w=409&sz=33&hl=en&start=5&zoom=1&um=1&itbs=1&tbnid=k_FNLeyqrG-fGM:&tbnh=78&tbnw=125&prev=/images%3Fq%3Dflagella%26um%3D1%26hl%3Den%26safe%3Dactive%26sa%3DN%26tbs%3Disch:1&ei=hZuDTZGIE5S40QG21q3YCA

Movement Cilia Flagella Smooth Move almost simultaneously Whip-like Wave-like patterns of motion Flagella Whip-like Breast stroke in swimming

Activation of dynein arm Bending of the axoneme http://www.google.com/imgres?imgurl=http://micro.magnet.fsu.edu/cells/ciliaandflagella/images/ciliaandflagellafigure1.jpg&imgrefurl=http://micro.magnet.fsu.edu/cells/ciliaandflagella/ciliaandflagella.html&usg=__417IGvHznQqAG1tESCOATvap3OI=&h=254&w=409&sz=33&hl=en&start=5&zoom=1&um=1&itbs=1&tbnid=k_FNLeyqrG-fGM:&tbnh=78&tbnw=125&prev=/images%3Fq%3Dflagella%26um%3D1%26hl%3Den%26safe%3Dactive%26sa%3DN%26tbs%3Disch:1&ei=hZuDTZGIE5S40QG21q3YCA Movement: Activation of dynein arm Bending of the axoneme

Video http://www.northland.cc.mn.us/biology/biology1111/animations/flagellum.html

Works Cited Michael W. Davidson. Micromagnet. October 1, 2000. 18 March 2011. Michael J. Gregory. Biology Web. April 18, 2006. 20 March 2011. Rnc. January 7, 2011. 18 March 2011. Textbook