Ras is a g-protein that is activated when a growth factor attaches to egfr. its activation results in the in the exchange of gtp for gdp. once activated, the gtp cannot be hydrolyzed and ras cannot be deactivated. what is one potential outcome of a mutation in one of the two copies of ras?

Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a.m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed

Which of the following is a common response to cell signaling?

In which of the following relationships is one organism always benefited while the other organism is always harmed