As described in the text, radiation and chemicals in the environment can induce mutations in cells. Why do the random mutations induced by the environment NOT violate or negate the results of the Lederberg's experiments

What occupation did muhammad have before the first revelation

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.

Name the part of the the brain labeled "e".