The technique that injects oxygen and nutrients into a contaminated aquifer to foster the growth of bacteria that can break down contaminant molecules is called choose one: a. buffering. b. reactive barrier injection. c. effluent. d. bioremediation.

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?

Hershey and chase confirmed that dna, not protein, was the genetic material. how do the results of their two experiments support this conclusion?

In meiosis ii during anaphase ii which structures separated homologous chromosomes or sister chromatids