Which one of the following statements about dna synthesis at the replication fork of a replicating dna molecule is false? a. one of the two new strands must be synthesized in fragments because the two strands have opposite polarity. b. nucleotides are added at the 3' ends of all new strands in a replicating dna molecule. c. the sequence of each newly synthesized single strand is identical to that of the parental single strand that served as its template. d. double-stranded dna synthesis requires both deoxyribonucleotides and ribonucleotides.

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.

step 1: nitrogen fixation- conversion of atmospheric no₂ into forms useful to plants by lightning, bacteria, and cyanobacteria.

step 2: nitrification-process of converting ammonia to nitrite or nitrate.

step 3: assimilation-plant roots absorb new form of nitrogen.

step 4: ammonification-conversion of organic nitrogen to ammonia by bacteria involved in decomposition.

step 5: denitrification-bacteria turns the decomposed matter back into n₂o, which is released into atmosphere; repeat cycle.