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Summary Cell Biology
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KeyAnimal cell
Plant cell
Cells- the most basic unit that makes up a living thing
Cell theory- all living things are made of cells
- A cell is the simplest unit of a living thing
Eukaryotes Prokaryotes
Have a Dna in a nucleus Have a free Dna (no nucleus)
Membrane bound organelle No organelle, only ribosome
Animal and plant cell Bacteria
Fungus Cytoplasm, cell wall, tail
Organelle Function
Cell Membrane Protects the cell, controls what substance goes in or out
Cytoplasm Where chemical reactions take place
Ribosome It makes protein
Nucleus It controls the activity of the cell
Mitochondria Is the powerhouse of the cell, where energy is made
Chloroplast Where photosynthesis takes place, it contains chlorophylls
Cell Wall It strengthens the cell
Vacuole Stores cell sap
Total Magnification=
Magnification of the eye piece lens x magnification of
objective lens
Size of the image=
Magnification of the image x size of real object
Electron Microscope
Uses a beam of electrons to observe the sample.
Can magnify up to 2 million times
Has a resolution of 0.1nm
Plasmid-
-Is not the same as the chromosome dna
-Circular plasmid is dna , found in prokaryotes
-But replicates independently and separate from chromosome dna.
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