The activity of the enzyme β-galactosidase produced by wild-type cells grown in media supplemented with different carbon sources
is measured. In relative units, the levels of activity of βgalactosidase is given for the wild-type. Predict the relative levels of β-galactosidase activity in cells grown under the same condition in following mutant cells.
A gateway substance is something that may be menial but could lead to something bigger, an example is weed in the drugs world, weed is not hard to get and is usually a gateway drug to stronger types of drugs and potentially more dangerous
