Answer: Option D
Explanation:
Hershey and Chase were the scientist that concluded that DNA is the genetic material which is transferred from one generation to another generation.
Before their experiment, people used to believe that protein is the genetic material.
Hershey and Chase conducted an experiment on bacteriophage where Radioactive phosphrous was transferred along with DNA in the cell.
This proved that DNA is the genetic material that transferred information from one generation to another.
DDT, or dichlorodiphenyltrichloroethane
Answer:
a light reaction needs sunlight to begin
Answer:
Efficacy o disinfectant is relatively greater than that of antiseptics
Explanation:
Most of the reason has to do with the fact that antiseptics are made in a mild form so as to not harm human tissue, while disinfectants are more concentrated and ought to be applied directly to surfaces in order to sanitize them.