First, for Day 1 and Day 2, fill in Ramón's Total Number of Servings in the right-hand column for each food group, as well as the number of foods high in fat or sugar, using what you know about food groups and balanced meals. Note that Ramón is 17,5 feet, 8 inches tall, weighs 165 pounds,
and engages in moderate levels of physical activity.

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