RAS is a G protein that is activated when a growth factor attaches to EGFR. Its activation results 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?

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

Loss of protected health information collected for research should be directly reported to:

What is the next step in muscle contraction after the actin changes shape? (apex)