When E. coli is grown on glucose, and there is no lactose available
A) lactose molecules bind to the lac repressor.
B) the lac repressor binds to the operator of the lac operon.
C) RNA polymerase binds to the promoter of the lac operon.
D) the lac genes are transcribed into messenger RNA.

Select all the correct answers. for a claim about the natural world to be considered scientific, what attributes must it have? a).it must be applicable to future events and occurrences. b)it must be based on scientific observations that can be repeated in a controlled setting. c)it must be open to modification if new evidence doesn't completely support it. d)it must be consistent with only a small portion of relevant observations or data.