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TLS Online TPP Program

#Id: 1834


Permian- Major mass extinctions, amphibians decline

#Unit 11. Evolution and Behavior #The evolutionary time scale #Part B Pointers
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TLS Online TPP Program

#Id: 6563

#Unit 7. System Physiology – Animal

The glucagon receptor, found primarily on liver cells, is coupled to the Gαs protein, to activate adenylyl cyclase and increase intracellular cAMP




TLS Online TPP Program

#Id: 2291

#Unit 3. Fundamental Processes

Isomerization, does not require energy derived from ATP hydrolysis and is instead the result of a spontaneous conformational change in the DNA– enzyme complex to a more energetically favorable form. 

TLS Online TPP Program

#Id: 9595

#Unit 11. Evolution and Behavior

Dryopithecus -Australopithecus afarensis- Homo habilis - Homo erectus - Homo heidelbergensis-Neanderthal and Homo sapiens

TLS Online TPP Program

#Id: 3241

#Unit 3. Fundamental Processes

Chemical mutagens can be divided into two groups:

those that are mutagenic to both replicating and nonreplicating DNA, such as the alkylating agents and nitrous acid; and 

those that are mutagenic only to replicating DNA, such as base analogs— purines and pyrimidines with structures similar to the normal bases in DNA.



TLS Online TPP Program

#Id: 8488

#Unit 1. Molecules and their Interaction Relevant to Biology

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