Are macromolecules that are always non-polar a. water b. carbohydrates c. lipids d. proteins

What are examples of the plant life and animal life that can be found in each type of terrarium

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.

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?