Question 2 If lactose and glucose are provided in the growth medium of a culture of Escherichia coli then:

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.

its probably to later but whats the question

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.