Mutations in bacteria that affect gene regulation may have a cis- or trans-effect on the expression of the protein-encoding genes in an operon? how would the following mutations affect the expression of the lac operon? assume there could be more than one lac operon in the cell and that no glucose is present.

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs