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8: Novelty - Biology

8.1: What is an Evolutionary Novelty?A novelty as a new structure or property of an organism that allows it to perform a new function, thus opening a new & 34;adaptive zone& 34;. In this reckoning, a novelty allows an organism to exploit a new ecological resource and should lead to an adaptive radiation.
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11.10D: The Complement System - Biology

The complement system helps antibodies and phagocytic cells clear pathogens from an organism.Learning ObjectivesDescribe the function of the complement systemKey PointsThe complement system has originally been identified as the part of the immune system called the innate immune system.The complement system can also be recruited and brought into action by the adaptive immune system.
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Mutated cell proliferation

Reading Jennifer Doudna's fascinating book on CRISPR. So she describes rare cases where a mutation in a single cell removes the gene responsible for a genetic disease. The cell proliferates and the
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