Biology, 13.11.2019 20:31 KayleighMorganhopkin
Explain the following statement "the essence of the immune system is the ability to recognize 'self' from 'non-self'.”
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2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?
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Why are current extinctions of concern to enviromentalists?
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Biology, 22.06.2019 16:20
What is gene flow? apexa: selection for average traits b: when a population splits in twoc: a mutation becoming more commond: genes moving between two populations
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Explain the following statement "the essence of the immune system is the ability to recognize 'self'...
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