What change in the united states resulted from the civil rights act of 1964?

segregation based on race was outlawed in the united states.
african americans were granted american citizenship.
voting rights were constitutionally guaranteed to all adults.
poll taxes and literacy tests were outlawed in voting.

In a series of experiments, hershey and chase radioactively labeled dna and protein in viruses and then used labeled viruses to infect bacteria. hershey and chase's experiments definitively showed that a. dna and not protein is the genetic material. b. dna and protein work together as a cell's genetic material. c. protein and not dna is the genetic material. d. neither dna nor protein act as a cell's genetic material