Which of the following pairs concerning mitosis is correct? a)metaphase: chromosomes duplicate
b)anaphase: chromosomes line up in center of the cell
c)telophase: the cytoplasm divides
d)prophase: nuclear membrane disappears

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.