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Biology Fall 2011. Eukaryotic cells. Organelles, Functions and Comparisons. We will discuss…. Basic Information Description of Cells Meet the Organelles Examples of Eukaryotic Cells Prokaryotic Vs. Eukaryotic Vocabulary Today’s Activity References. Basic Information.

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Eukaryotic cells


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biology fall 2011
Biology Fall 2011

Eukaryotic cells

Organelles, Functions

and Comparisons

we will discuss
We will discuss…
  • Basic Information
  • Description of Cells
  • Meet the Organelles
  • Examples of Eukaryotic Cells
  • Prokaryotic Vs. Eukaryotic
  • Vocabulary
  • Today’s Activity
  • References
basic information
Basic Information
  • (from the Greek meaning truly nuclear)
  • These cells have a nucleus
  • 10 times greater in size than Prokaryotic Cells
  • comprise all of the life kingdoms except Monera (Protista, Plantae, Fungi and Animalia)
  • contain many internal membrane-bound structures called organelles
  • Plasma Membrane is present
  • Two Types of Cells
    • Animal
    • Plant
description of cell
Description of Cell
  • Animal Cell
    • Contains a number of organelles to help with its function
    • Found in Humans and Animals
    • Centrioles are present
      • Not found in Plant Cells
description of cell cont
Description of Cell (cont.)
  • Plant Cell
    • Functions similar to an Animal Cell
      • Most of the Organelles are present
    • 3 unique structures
      • Plastids
      • Cell Walls
      • Vacuoles
meet the organelles and their functions
Meet the Organelles… and their Functions

Plasma Membrane

Nucleus

Mitochondria

Surrounded by a double membrane with a series of folds called cristae. Functions in energy production through metabolism. Contains its own DNA

Double membrane surrounding the chromosomes and the nucleolus. Pores allow specific communication with the cytoplasm. The nucleolus is a site for synthesis of RNA making up the ribosome

A lipid/protein/carbohydrate complex, providing a barrier and containing transport and signaling systems.

meet the organelles cont
Meet the Organelles (cont.)

Rough Endoplasmic Reticulum

Smooth Endoplasmic Reticulum

Plastids

Contains stacked thylakoid membranes. Responsible for photosynthesis, Contains DNA similar to Mitochondria

A network of interconnected membranes forming channels within the cell. Covered with ribosomes (causing the "rough" appearance)

A network of interconnected membranes forming channels within the cell. A site for synthesis and metabolism of lipids

meet the organelles cont1
Meet the Organelles (cont.)

Lysosome

Vacuole

A membrane bound organelle that is responsible for degrading proteins and membranes in the cell, and also helps degrade materials ingested by the cell.

Membrane surrounded "bags" that contain water and storage materials in plants.

Golgi Apparatus

A series of stacked membranes. Vesicles (small membrane surrounded bags) carry materials from the RER to the Golgi apparatus. Vesicles move between the stacks while the proteins are "processed" to a mature form. Vesicles then carry newly formed membrane and secreted proteins to their final destinations

Perioxisomes

Produce and degrade hydrogen peroxide, a toxic compound that can be produced during metabolism.

examples of eukaryotic cells
Examples of Eukaryotic Cells

Bread Yeast- S. cerevisiae

Kingdom: Fungi

Centric Diatom

Kingdom: Protista

examples cont
Examples (cont.)

Pea Leaf Stomata

Kingdom: Plantae

Golden Colonia Algae-Synura

Kingdom: Protista

examples cont1
Examples (cont.)

Sunflower Petal and Pollen Grain

Kingdom: Plantae

Human Breast Cancer Cell

Kingdom: Animalia

examples cont2
Examples (cont.)

Human Liver Cell

Kingdom: Animalia

Human Red Blood Cells, Platelets and T-Lymphocytes

Kingdom: Animalia

similarities
Similarities?!?
  • Both prokaryotic cells and eukaryotic cells haveribosomes.
  • Both prokaryotic cells and eukaryotic cells have a plasma membrane.
  • Both prokaryotic cells and eukaryotic cells have cytoplasm.
  • Both prokaryotic cells and eukaryotic cells have DNA.
differences
Differences
  • No Structured Nucleus Present
  • No Organelles present
  • Simpler structures
  • Cell Wall Present
  • Nucleus Present
  • Organelles Present
  • Complex structure
  • Cell wall may or may not be present.

#TeamProkaryote

#TeamEukaryote

the comparison
The Comparison

Eukaryote

Prokaryote

vocabulary words
Vocabulary Words
  • Nucleus
  • Nucleolus
  • Golgi Apparatus
  • Lysosome
  • Cytosol
  • Perixisome
  • Centromere
  • Centriole
  • Cell Membrane
  • Secretory Vesicle
  • Mitochondrion
  • Vacuole
  • Cell Wall
  • Chloroplast
  • Ribosomes
  • Cytoskeleton
  • Smooth Endoplasmic Reticulum
  • Rough Endoplasmic Reticulum
today s activity
Today’s Activity…
  • Virtual Lab and Color Worksheet
  • Go to the website

http://www.cellsalive.com/cells/cell_model.htm

  • Part A:Use cell models found on the website to define the vocabulary words from the presentation. On reverse side of the paper, draw a picture of both a plant and animal cells for your notes. Make sure to distinguish the differences between the two!
today s activity cont
Today’s Activity (cont.)
  • Part B: Complete the “Eukaryotic Cell” color sheet.
  • Use map pencils or crayon (no markers or pens)
  • Match the organelle found in the cell with the correct name.
  • Both assignments are due at the end of the class period.
references
References
  • http://library.thinkquest.org/C004535/eukaryotic_cells.html
  • http://biology.kenyon.edu/HHMI/Biol113/eukaryoticcells.htm
  • http://www.cellsalive.com/cells/cell_model.htm
  • http://www.biology.arizona.edu/cell_bio/tutorials/pev/page3.html