Read the scenario and answer the question that follows. amelia is a nurse who assists one of the hospital's doctors, dr. mao, on a regular basis. lately, she has witnessed dr. mao making a number of diagnosis errors. one of the diagnosis errors even led to a patient complaining of worsened symptoms. given the scenario, what should amelia do? ignore the fact that dr. mao is making mistakes threaten dr. mao that she will tell on him to the authorities fill out an incident report describing what she has witnessed bring up dr. mao's errors at the next staff meeting

You isolate an infectious substance capable of causing disease in plants, but you do not know whether the infectious agent is a bacterium, virus, viroid, or prion. you have four methods at your disposal to analyze the substance and determine the nature of the infectious agent. i. treat the substance with enzymes that destroy all nucleic acids and then determine whether the substance is still infectious. ii. microscope. iii. culture the substance on nutritive medium, away from any plant cells. iv. treat the sample with proteases that digest all proteins and then determining whether the substance is still infectious. if you already know that the infectious agent was either bacterial or viral, which method(s) listed above would allow you to distinguish between these two possibilities? a) ib) iic) ii or iiid) iv