QUESTI ON 6 Although observations and experimental results implicate nAG in salamander limb regeneration, which experiment should be done, in the regenerating limb, to provide a more definitive test of whether nAG functions in limb regeneration? Use transgenesis to express nAG protein in the blastema Do in situ hybridization to know where the gene is expressed O Block the activity of the prod-1 signaling pathway with a small molecule (drug) O Use Cre/Lox technology to knock out the function of nAG gene in the limb

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Immune Disorders

The collaboration between the cells and proteins that work together as a defense system against infection comprises the immune system.Each of them performs a variety of tasks to recognize and/or react against a foreign body.