How did the development of the hela cell line affect society? a. it resulted in patient consent being required for tissues to be used in research. b. it led to the production of the most widely studied mortal cell line in the world. c. it prevented the collection of other human cell types for research. d. it caused the contamination and destruction of other immortal cell lines.

Correct A). It resulted in patient consent being required for tissues to be used in research

HeLa cells are the human cervical cancer cells that are part of an immortal cell line. It is named after Henrietta Lacks, who was an African American patient suffering from cervical cancer.

It has helped in bringing the attention towards the issue of privacy and scientific research in our society. It has been used to test various drugs in order to determine their effect on the human body. Because of this several new drugs have been produced that saves millions of lives.

Hence, the correct answer would be option A.

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

c. heat from the poles back down towards the equator.