Compared to nonpoint source pollution, point source pollution is easier to identify

Air pollution is only caused by human activity, select the best answer from the choices provided ot of true or false

Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome