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Paramecium

Paramecium. Structures. Macronucleus deals with everyday functions like metabolism. Micronucleus deals with all of the germ line DNA (Genes which are traded during sexual reproduction). Structures.

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Paramecium

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  1. Paramecium

  2. Structures • Macronucleus deals with everyday functions like metabolism. • Micronucleus deals with all of the germ line DNA (Genes which are traded during sexual reproduction).

  3. Structures • Trichocyst are the defense of the paramecium, a harpoon like structure that releases a toxin to kill or paralyze other microorganisms

  4. Paramecium use cilia to move around Cilia are like little oars used to move forward, backwards, and side to side Locomotion Cilia

  5. Conjugation • During conjugation, two paramecium attach to each other, losing some of their cilia in the process. • Conjugation is used to trade genetic information between two paramecium.

  6. Youtube http://www.youtube.com/watch?v=dfFaRl--wJI

  7. Review Questions • What part of the paramecium is used to defend itself from predators? • Which Nucleus deals with every day functions, such as metabolism? • Which nucleus deals with the germ line DNA? • What type of locomotion do paramecium use to move? • In the beginning of conjugation, what is lost on the paramecium? • What is conjugation used for?

  8. Answers • Trichocyst • Macronucleus • Micronucleus • Cilia • Cilia on the area that attaches with another paramecium • Used as a way to add to the genetic make-up of paramecium

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