Yellow rattle plant gets some of its nutrients from the roots of neighboring plants what type of symbiosis

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

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.