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a selectable marker (usually antibiotic resistance) that lets researchers select for cells that took up the plasmid
mitochondrial genomes
Why is the astrocyte star-shaped
By the time PCR became routine in the late 1980s
orexin necklace | silver pp_immuno a selectable marker (usually antibioticOrexin necklace sterling silver If you have spent enough time on the lateral hypothalamus to know that orexin neurons project everywhere from the locus coeruleus to the arcuate nucleus, and that their loss explains narcolepsy type 1 better than any other neuropeptide story, you already recognise what this is. The molecule that decides whether the brain stays awake. The Science of Orexin Orexin (also called hypocretin) is a neuropeptide produced by a
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