agenda 1) warm-up 5 min 2) cell organelle quiz 15 min 3) finish cell matching cut + paste 25 min 4)...
TRANSCRIPT
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WARM-UP:
1) True/False: The “Ribosome” are like Santa’s Elves
2) What is the purpose of a flagella?
Agenda1) Warm-Up 5 min
2) Cell Organelle Quiz 15 min
3) Finish Cell Matching Cut + Paste 25 min
4) Vocab. Chart 15 min
5) Cell Book Summary
LEARNING GOALS: • Cells are the basic unit of life.• Structures within cells have specific functions.• Cells have different levels of complexity.• Prokaryotic cells have no nucleus.• Eukaryotic cells have a nucleus and membrane bound organelles
HOMEWORK DUE:
09-26-11
True
To move the cells
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Cell Organelle QuizShhh…no talking
Turn-into basket when finished
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Use book to define these wordsOn vocab. chart
1. Cell2. Cell theory 3. nucleus 4. Eukaryote5. Prokaryote
6. Organelle7. Cytoplasm8. Cytoskeleton9. Lipid bilayer10.Cell membrane
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Organism
Organ
Tissue
Cell
Organelle
Cell Biology
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Cell StructureWhat is the Cell Theory?
The cell is the basic unit of structure and function in the human body.
It can be specialized to do many things.Just as the objective of Santa’s shop is to
make toys the objective of a cell is to make proteins.
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What might the function of this cell be?
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II. Cell StructureThe cell consists of a mass of cytoplasm
surrounded by a cell membrane.The cytoplasm contains tiny structures
called organelles. Each organelle performs a specific function for the cell.
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The Organelles
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Nucleus:(Brain of cell / Safe)
Large organelle surrounded by a double layered nuclear membrane.
It contains chromatin, made of DNA, which controls the cells activities. (Santa’s List)
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Nucleus
Nuclear Membrane
Chromatin
Nucleus
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Nucleolus (Ribosome Factories) Found in nucleus. Dark area that is important in making ribosomes.
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Ribosomes /Elves (Protein factories of the cell)
Where amino acids are assembled to form proteins during protein synthesis.
Located on the ER or floating in the cytoplasm.
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A network of passageways made from membranes that transports proteins around the cell.
Rough ER has ribosomes.Smooth ER has no ribosomes.
Endoplasmic Reticulum (Ski slope of the cell)
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Endoplasmic Reticulum
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Golgi Complex (UPS of the cell)
A series of saclike membranes where proteins are packaged, stored, and shipped off to their destinations.
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Mitochondria (power plant of the cell)
Rod-shaped organelle, covered by a double membrane, where cellular respiration takes place. Burn sugar (glucose) to make energy (ATP)
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Mitochondria
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Double membrane sacs that contain Chlorophyll. It can take light energy and convert it into sugar (glucose) by Photosynthesis.
Chloroplasts (plant cells only: Solar Power)
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Chloroplast
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Lysosomes (stomach of the cell)
Vesicles(Sacs) filled with digestive enzymes and acid. They break down and recycle old organelles in the cell.
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Peroxisomes (poison control for the cell)
Vesicles (Sacs) filled with enzymes that break down toxins in the
cell.
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Cytoskeleton (skeleton of the cell)
A net-like framework that gives the cell its shape.
Composed of threadlike proteins called microfilaments, microtubules.
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Cytoskeleton
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Centrioles (Fishing poles of the cell)
Two small cylinders made of protein microtubules that help the cell divide during mitosis and meiosis.
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Centrioles
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Cilia (cell movement)
Short hair-like structures that wave and create currents to move fluids past a cell.
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Cilia on a Paramecium
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Flagella (cell movement)
Long, hair-like structures that move a cell through a fluid.
Flagella
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Cell Membrane (fence around the cell)
Semipermeable barrier that controls what enters and leaves the cell
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Cell Wall (plant cells only)
Rigid layer of cellulose outside the membrane that supports plant cells.
Cell Wall
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Vacuoles (water tower of cell)
•Stores water and dissolved mineral cells. In plants there is one large central vacuole.
Plant Cell Animal Cell
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A Cell’s Organelles are like Santa’s Shop
The goal of Santa’s shop is to make toys
The goal of a Cell is to make proteins
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DUE TODAY:• Cell Matching cut+paste
DUE NEXT CLASS:• Bring your book!
“I am still learning…”Michelangelo
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Lab Groups
Red
Blue
Yellow
Pink
Green
Purple