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TLS Online TPP Program

#Id: 4651

If cells that have incorporated a high level of BrdU are exposed to light, they will photolyse; this has been used to selectively kill newly dividing cells.


#Unit 13. Methods in Biology #Immunotechniques #Part B Pointers
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TLS Online TPP Program

#Id: 9576

#Unit 11. Evolution and Behavior

Pre Cambrian- Earliest eukaryotes and multicellular eukaryotes. Oxygen levels increase
TLS Online TPP Program

#Id: 9577

#Unit 11. Evolution and Behavior

Cambrian - Most marine invertebrates. Ozone layer forms
TLS Online TPP Program

#Id: 9578

#Unit 11. Evolution and Behavior

Ordovician - Primitive plants and fungi colonize land, first jawless vertebrates,  Mass extinction at end of period
TLS Online TPP Program

#Id: 9579

#Unit 11. Evolution and Behavior

Silurian - Origin of jawed fishes and arthropods, Invasion of land by primitive land plants
TLS Online TPP Program

#Id: 9580

#Unit 11. Evolution and Behavior

Devonian - First amphibian and first seed plant appear, and insects Mass extinction late in period
TLS Online TPP Program

#Id: 9581

#Unit 11. Evolution and Behavior

Carboniferous - First reptile