The dopamine system involved in Parkinson's disease is located in which of the following areas of the brain?

Why does the skin of your finger shrink when you wash clothes for a long time?

Which enzymes break down carbohydrates?

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.