1. a solution whose ph is 9 has

Which describes radioactive decay of a substance

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

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.