MCELLBI C44 Lecture Notes - Lecture 11: Foxo3, Calorie Restriction, Ruth Bader Ginsburg
24 Feb 2017
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80% of height is genetic, whereas 25% of lifespan is genetic. Dopamine: molecule used by brain to configure the reward centers. Beadle and tatum proved that what genes do is encode proteins! Yeast can live as both haploid and diploid cells (humans are diploid apart from gametes) They exist in two sexes, which yeast biologists call mating types and not sexes . Two haploid yeast cells of different mating type can fuse and form a diploid! Go thru meiosis and form 4 haploid cells, each of which go back to living as haploid cells. Must have certain amino acids in our diet to not die! We can"t synthesise everything we need from our diet. We cannot make essential amino acids, must eat them! Yeasts synthesise all the amino acids it could possibly want. Must treat organism in a way that damages its dna (with x-rays for ex, which break the dna)
