Which of the following statements is true about hiv testing?

What causes fermentation a. antibodies b. antigens c. microorganisms d. antibiotics

Match the limiting factor with the correct definition. 1. learning about the benefits of exercise location/access 2. problem that can be solved by choosing free activities understanding 3. living close to a park motivation 4. how you were raised money 5. how you feel about yourself and your ability to exercise family behaviors

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