In 1924, fossils from Africa were sent to Raymond Dart to study. He received a brain and skull of and unknown ape man, buried in a lump of solid rock. He chiseled out the skull and found what looked to be a very young, southern ape of Africa. How old was this fossil, what was the name given to the young ape, and how tall would it have been

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Ras is a g-protein that is activated when a growth factor attaches to egfr. its activation results in the replacement of a gdp molecule with a gtp molecule, thus allowing a signal transduction pathway to be activated. considering the signal pathway illustrated on this page, what is one potential outcome of a mutation in the ras gene that leads to ras protein hyperactivity. be specific.

Based on the diagram, which of the following best describes ways in which the physical appearance of h. neandertalensis and h. sapiens differ?