What happens to e. coli when lactose is not present?

What does all of the organ system in a human form

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

If a dna molecule has 100 nucleotides and 22 of them are cytosine, how many thymines does it have?