People infected with the human immunodeficiency virus (HIV) have an increased
risk of dying from secondary infections. Which of these best explains how HIV
increases the danger of secondary infection?
A HIV produces antigens that damage red blood cells
B HIV adds genetic material from harmful microbes.
C HIV destroys helper T cells
D HIV consumes beneficial microbes in the body

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.