Into to cells? Objective: 1.You will be able to explain what cells are and 2. You will be able to...
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Transcript of Into to cells? Objective: 1.You will be able to explain what cells are and 2. You will be able to...
![Page 1: Into to cells? Objective: 1.You will be able to explain what cells are and 2. You will be able to differentiate between the 2 types of cells.](https://reader030.fdocuments.us/reader030/viewer/2022032604/56649e695503460f94b6587f/html5/thumbnails/1.jpg)
Into to cells?Objective:
1. You will be able to explain what cells are
and
2. You will be able to differentiate between the 2 types of cells.
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Warm up
1. What are cells?
2. What do cells do?
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Word Definition Picture
1. Cell
Basic functional unit of all living things (building blocks)
- Tiniest part of a living thing
Red blood cell
Paramecium
E. Coli (bacteria)
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Cells - FYIAll living things are made up of cells! (including you!)
Cells do all the life functions that we do: - grow - make energy - reproduce - get rid of wastes - need food (to make energy) - die
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Cells - FYICells can look very different
There are many types of cells
Living things can be made up of ONE CELL or MANY CELLS!
There are approximately 100 trillion cells in the human body…….100,000,000,000,000
Red blood cell
Paramecium
E. Coli (bacteria)
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Examples of CellsExamples of Cells
Amoeba Proteus
Plant Stem
Red Blood Cell
Nerve Cell
Bacteria
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What are cells made of?Cells are mostly water. The rest of the present molecules are:
•protein
•nucleic acid
•carbohydrate
•lipid
•other
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There are many cells but scientists classify cells into 2 types:
• Procaryotic cells
• Eukaryotic cells
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Word Definition Picture
2. Prokaryotic cell (Prokaryote)
• Unicellular • NO nucleus• No organelles • Has ribosomes • Circular DNA• Very very smallExamples:BACTERIA
E. Coli (bacteria)
Strept. bacteria
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Prokaryotic Cell
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Did you know?
Prokaryotic cells were probably the first type of cells to exist on Earth and are commonly found in the oldest fossils ever found.
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Word Definition Picture
3. Eukaryotic cell (Eukaryote)
• Unicellular and Multicellular • Membrane
bound Nucleus • Contains
Organelles• Has ribosomes• Linear DNA• Big compared
to prokaryotic cells
Examples:Animals, Plants,
Fungi, Protists (algae)
Red blood cell
Human cheek cellsShark skin
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Eukaryotic Cell
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Did you know…. Eukaryotic cells are more complex and are larger. This type of cell has a nucleus and many organelles inside. This allows the cell to perform many different jobs in multicellular organisms!
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Prokaryotic Cells Eukaryotic Cells
Unicellular or Multicellular
Nucleus in cell? (yes or no)
Organelles in cell? (yes or no)
Does it have ribosomes? (yes or no)
What type of DNA?
Examples:
Unicellular
No nucleus
No
Yes
Circular
Bacteria
Unicellular and Multicellular
Yes
Yes
No nucleus
Linear
Plant, animal, fungi, protist cells
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Exit Slip
Prokaryotes Eukaryotes
What they both have in common