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Mind Stretcher – Copy Both
Which is larger: prokaryotic or eukaryotic cells? What type of cells make up the human body? (Eukaryotic or Prokaryotic) Eukaryotic
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Directions Get out your organizer from Friday
Complete the back using pages 68 & 69 in the textbook Fill out the Venn Diagram…you don’t have to use “inside” and “organization” if you don’t want to…create your own ideas in the circles!
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cytoplasm Cell membrane
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Discovering the Cell Standard S7L2b:
Relate cells structures (cell membranes, nucleus, cytoplasm, chloroplasts, mitochondria) to basic cell functions
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Did You Know? We are made up of microscopic living things called: CELLS There are Approximately 100 TRILLION cells in the Human Body. 100 Trillion
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The Parts Cells are made up of different parts called organelles.
Each part has a specific function! The Organelles: Nucleus Mitochondria Cytoplasm Endoplasmic Reticulum Ribosomes Golgi Bodies (Apparatus) Vacuoles Lysosomes Cell Membrane Cell Wall Chloroplast
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Cell Membrane Function- To protect the cell and allow things IN and OUT. Analogy- A Cell Membrane is like a FENCE. Found- Animal & Plant Cells
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Cytoplasm Function- Gel-like fluid found all throughout the cell; All other organelles are suspended (floating) in it. Analogy- The Cytoplasm is like Jell-O, constantly moving & swishing around Found- Plant & Animal Cells
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The Nucleus Function- DNA (our genes) is found here. It directs the cell’s activities and houses the nucleolus. (Tells all the other parts what to do! ) Analogy- Acts like the Brain Found- Animal & Plant Cells
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Found INSIDE the Nucleus!
Nucleolus Found INSIDE the Nucleus!
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Mitochondria Function- Performs respiration which breaks down sugar to produce energy! (In the form of ATP) Analogy- “Power plant” of the Cell Found- Animal & Plant Cells
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Where is Mitochondria??
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Ribosomes Function- Makes protein out of amino acid. All cells need protein to function! Analogy- Ribosomes are like a Protein Factory Found- Animal & Plant Cells
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Where are Ribosomes?
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Endoplasmic Reticulum
Function- Carry proteins and other cell materials from one part of cell to another. Two Types- Smooth ER and Rough ER Rough E.R. has Ribosomes Smooth E.R. does NOT have Ribosomes! Analogy- Like Roadways/Highways Found- Animal & Plant Cells
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Where is the Endoplasmic Reticulum:
Rough E.R.? Smooth E.R?
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Golgi Bodies/Golgi Apparatus :
Function- Recieves Proteins (mail) from the E.R., Packages them (puts it in envelope) then Distributes them to other parts of cell (Mailman) Analogy- Like Post office Found- Plant & Animal Cells
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Where are Golgi Bodies???
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Vacuoles Function- Stores food and water;
Largest are found in plant cells and smallest in animal cells. Analogy- Like a Storage Container Found- Plant & Animal Cells
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Some Animal Cells have Vacuoles while Others Don’t!!
Where is the Vacuole? Some Animal Cells have Vacuoles while Others Don’t!!
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Lysosomes Function- Break down old cell parts & release them for recycling Analogy- Like the Janitors of the Cell Found- Plant & Animal Cells
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Recap: Plant and Animal Cells are made of parts called ORGANELLES.
Each Organelle has a Function/Job: Cytoplasm Surrounds and Constantly Moves Organelles Nucleus Brain Mitochondria Powerplant Endoplasmic Reticulum Roadways Ribosomes Protein Factories Golgi Bodies Post Office Vacuoles Food Storage Containers Lysosomes Janitors
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A plant cell has two more organelles that animal cells don’t!
But Wait…There’s More! A plant cell has two more organelles that animal cells don’t!
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Chloroplast Function- Makes food for the cell through Photosynthesis
Chlorophyll is a green pigment inside the chloroplast that traps the sunlight needed and gives plants their green color. Analogy- Like a Restaurant/Chef Found- Plant Cells
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Cell Wall Function- Rigid, cellulose structure that gives support to a cell. Although made of different materials algae, fungi, bacteria, and archaea also have cell walls. Analogy- Like a brick wall surrounding a building! Found- Plant Cells
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