Which arrow indicates the direction of a gradient of increasing solute concentration in the interstitial fluid surrounding a nephron? a. a onlyb. b onlyc. b and cd. c and de. a and d

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.

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.

If one were to horizontally divide the earth in half at the equator each half would be a