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Some of the Cells that Arise from Animal Gastrulas with Three Germ Layers
By: Chinami Michaels
| Published: Aug 21, 2014
From a developing embryos three primary germ layers, ectoderm (green), mesoderm (pink) and endoderm (yellow), a variety of differentiated cell type
MesodermGastrulationBlastulaGerm LayersEctoderm
Beadle's One Gene-One Enzyme Hypothesis
By: Amy Pribadi
| Published: Oct 12, 2016
Between 1934 and 1945, George Beadle developed a hypothesis that each gene within the chromosomes of organisms each produced one enzyme.
CellsGeneticsEnzymesGenesAmino Acids