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11/7 Prokaryotes and Eukaryotes
Transcript of 11/7 Prokaryotes and Eukaryotes
All living things are made of cells Cells come in types:
prokaryotic and eukaryotic 2 Prokaryotes = before
= nucleus pro
karyotes simple cells
NO nucleus (DNA floats around cell)
NO membrane bound organelles (ex. NO mitochondrion, chloroplasts, lysosomes, etc…) Eukaryotes eu
karyotes = true
= nucleus complex cells
have a nucleus (membrane surrounds DNA)
have membrane bound organelles (ex. mitochondrion, chloroplasts, lysosomes, etc) When we compare prokaryotic and eukaryotic cells we see that eukaryotes have many more internal structures (organelles) that perform specific functions Stop & Jot #1 Is this cell a prokaryote or eukaryote?
How do you know? Stop & Jot #2 Is this cell a prokaryote or eukaryote?
How do you know? What structures do both prokaryotes and eukaryotes have?
What structures do only prokaryotes have? Eukaryotes? Where's the nucleus? Find an organelle within the cell. Where's the DNA in the cell? How many layers surround the cell? (1 minute) (1 minute) You and a partner will examine the morphology of different cells in order to determine whether the cell is a prokaryote or eukaryote
Microscope time! DIRECTIONS
1. You and your partner will receive 1 microscope, a slide and a guided notes sheet
2. Focus the specimen and write down the magnification (ocular power X objective power)
3. Draw the cell
4. Discuss the morphology of the cell with your partner and determine whether the cell is a prokaryote or eukaryote
5. Explain how you knew what type of cell you were looking at in the box provided
6. Trade slides with someone near you and repeat! (20 minutes) Share Out What differences did you see between prokaryotic and eukaryotic cells under the microscope? Prokaryotes Eukaryotes
Are the cells from the SMART START prokaryotes or eukaryotes?
How do you know? 1. 2.