Which factor has lead to climate change?

a. global wind patterns
b. ocean currents
c. greenhouse gases
d. uneven earths surface

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

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.