Which type of macromolecules regulates cell processes or transport material into and out of the cell

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

i think it is dna, i'm not totally sure but i think it might be.