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.

What are two ways that harvesting algae from the ocean may benefit human society? how might the harvest of algae negatively impact the ocean communities where that algae grows? how could this be prevented?

Which environmental change would most likely result in bullfrog offspring that are able to store more water than bullfrogs in previous generations?

Been sitting here trying to take this test and don't know this answer! place the events of a feedback mechanism associated with body temperature in the correct order. ·nerve cells send message from skin to the brain ·body returned to normal temperature around 98.6 degrees f ·temperatures regulation center in the brain sends out signals ·body temperature exceeds 98.6 degrees f ·sweat glands throughout the body activate to cool off skin surface it is a 1 through 5 question in biology!