He endocrine system works with the to coordinate and regulate the body. a. nervous system b. digestive system c. muscular system d. cardiovascular system

What does the body do during the resistance phase of the gas model? options: a) it prepares to fight danger or run from it. b) it identifies the primary source of danger. c) it begins to return responses to normal. d) it repairs itself from fatigue and stress.

Wjat are substances intentionally added to food to produce a desired effect?

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