Exceptions to Cell Theory - 1.2
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Key Concepts
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Viruses lack cellular structure, making them exceptions.
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Some cells contain multiple nuclei.
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The origin of the first cell contradicts the idea that all cells come from existing cells.
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Mitochondria and chloroplasts have semi-independent functions and genetics.
Examples & Applications
Virus: HIV, Influenza
Multinucleated Cell: Human skeletal muscle fiber
Endosymbiosis: Mitochondria in eukaryotic cells
Memory Aids
Interactive tools to help you remember key concepts
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Memory Tools
"V-ME First" β Viruses, Multinucleated cells, Endosymbiosis, First cell origin.
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Analogies
A virus is like a USB driveβit needs a computer (host) to function.
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Rhymes
"If cells come from cells, where did the first one dwell?"
Flash Cards
Reference links
Supplementary resources to enhance your learning experience.