ugh! i’m failing science and i need to make a presentation on cilia to bring up my grade! ah !

Ugh! I’m failing science and I need to make a presentation on cilia to bring up my grade! Ah!

Not to worry son! I am the cilia bird/man and can’t teach you what you need to know!

Welcome to the wonderful world of CILIA LAND! Where all you cilia questions are answered!

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What is cilia?

Cilia are the small hair-like projections from the outer part of the eukaryotic cell. They look somewhat like tails sprouting all around the outer part of the cell. Their main purpose is to move things around and over the cell.

Are there different types of cilia? There are two different types of cilia:

motile and non-motileMotile- cilia that beats in one directionNon-motile- (primary) cilia that does not beat and serves as a sensorMotile cilia are found on the trachea (the airway) and can prevent mucus and phlegm from entering the system. Non-motile cilia are the hairs in your nose that can trap “boogers” from getting farther through your system.

Isn’t cilia similar to flagella?

Yes, cilia and flagella are almost identical. The only differences between cilia and flagella are their length. Cilia are short “hairs” while flagella are long “hairs”. Also, cilia are found in EUKARYOTIC cells while flagella are found on PROKARYOTIC cells.

Cilia is made up of a cytoskeleton of microtubules. This is called the “axoneme” The axoneme of primary cilia has 9 microtubules. The building blocks of the cilia are the tubulins.

What is the cilia made up of?

Thank you for your help! I’m gonna haul on this test!

Anytime son!

LINKS

• www.cartage.org.lb/.../flagella.jpg• http://en.wikipedia.org/wiki/Cilium• www.answers.com/topic/flagellum-2