Aresearcher adds a purified sample of dna polymerase to a test tube containing nucleic acids. the researcher finds that the concentration of nucleic acids decreases over time. in this reaction, the nucleic acid is most likely which of the following?
a. catalyst
b. reactant
c. energy
d. product

Arecent strip mall land development project included large amounts of paved surfaces. as a result of this project, groundwater levels in the developed area will most likely a. increase due to sealed artesian wells b. decrease as aquifers are not recharged c. decrease due to decreased surface runoff d. increase due to loss of unconfined aquifers e. increase due to a decrease in demand for fresh water