Ascientist notices that a cancer cell line shows high levels of phosphorylated erk in the absence of egf. what are two possible explanations for the increase in phosphorylated erk? be specific in which proteins are involved.

2pomis which of the following would be a valid hypothesis for a scientific investigation about how transportation affects food security? alcannotatiord foods purchased from the local farmers market. o b. how does the distance a food travels affect its affordability? o e foods that travel great distances cost less than foods bought o d why do local farmers markets have food with such high prices?