Which cell organelle is most similar in function to an organism's nervous system?

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

Checklists and rating scales can be used to monitor children’s developmental progress and to diagnose developmental delays. true false

Which of the following represents the greatest risk factor for a stroke? a. high glucose levels b. low glucose levels c. low blood pressure d. high blood pressure select the best answer from the choices provided. a b c d