Biolo

Páginas: 2 (396 palabras) Publicado: 8 de marzo de 2012
Organells: structure in a cellboundedwith a doublemembrane.
Cytoplasm:jellylikesubstancethatcontainsallthenutrients.
Prokariotics do nothaveorganells
Ribosoms are notorganells
* Produceproteins.
Prokariotics
* Unicellular
* Foundanywhere
* No nucleusonlynucleoid
* No organells
* It has ribosoms
* Linear DNA
* Protoplasm (cytoplasm)
* Doble membrane
*Flagella: lotsless, snakeform, moves round like a helicopter, attachedtothecellwall, use tomove. (sperm)
* Cillia: hairlikestructure, many, thin, use tomove, moveslike a snake.
* Cellwall* Not made ofcellulose.
* Semiperniability->who comes in or out
* Made of a typeofglycoproteincallpeptidoglycan
* Anchores thethe Pili andflagella
*Protectsthecellandmanteinsitsshape
* Preventsthecellfrombursting
* Plasma membrane
* Made of 2 phosphatesand 2 lipids
* Partiallypernable
* Hydrophilic -> relates withwater
*Hydrophobic->cant mix withwater.

* Produces ATP as a processcallcellularrespiration
* Cytoplasm
* Liquid
* No membrane
* Containsenzymesandribosoms
*Doesnotcontainsorganells
* Carries out thequimicalreactionsofmethabolism
* Nucleoid
* DNA area
* Circular or linear
* Controllsallfunctionsofthecell
* DNAisnotassosietedwithproteins
* Containsthegenetic material
* Pili
* Proteinfilament
* Use forcelladhision
* Itisusedwhileexchanging DNA in a processcallconjugation
* Flagella* Solidandunflexible
* rotate
* Binaryfission
* Exponentialreproduction

Eukariotics
* Nucleusisthebiggestorganell
* Lysosome: darkandthesmallestorganell
*Motochondria-> produce ATP->
* Nucleus
* Pores-> control
* Notall DNA ishere
* RNA ->travelstroughthepores
* MRNA isproduced in thenucleoid
* Ribosoms...
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