prokaryotic & eukaryotic cells. cells of all living things are incredibly diverse
TRANSCRIPT
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Prokaryotic & Eukaryotic
cells
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Cells of all living things are incredibly
diverse.
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Currently, the cells of all living things can be divided into two
major categoriesProkaryotes Eukaryotes
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Prokaryotic cells include all types of bacteria. Eukaryotic cells make up all
other organisms like protists, fungi, plants and animals..
Eukaryotic Cell
Prokaryotic Cells
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What are the differences?
What are the similarities between
Prokaryotes and Eukaryotes?
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Prokaryotes and Eukaryotes (all cells, really) have
several structures in common:
DNA
Ribosomes
PlasmaMembrane
Cytoplasm
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All cells have several structures in common:
1. DNA: nucleic acid, genetic material, instructions for making proteins.
2. Ribosomes: tiny structures that make proteins
3. Plasma membrane (aka cell membrane)
o Cell boundary, regulates what enters and leaves the cell
4. Cytoplasm: All contents inside cell except DNA/nucleus
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However, they have many differences:
SizeComplexity
NucleusReproduction
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The Theory of Endosymbiosis
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Symbiosis is the close relationship between two
different species.
MutualismCommensalismParasitism
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Before complex life existed, the bigger cells ate the smaller cells.
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Instead of becoming food, the Theory of Endosymbiosis
explains that the smaller cells stayed inside and helped the
larger cells survive.
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There are many factors that help to support this theory: Both
plasts have their own DNA and ribosomes
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Both reproduce through binary fission (a type of prokaryotic
reproduction)
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Both have double membranes; the inner membrane from the original
prokaryote, and the outer membrane from the ancient host cell.