Which of the following would be a plausible smart goal for a person who is new to exercise?
a. rowing five miles solo in 2 hours by the end of the day
b. running a fifteen-mile course in 45 minutes by the end of the week
c. swimming twenty 50-meter laps in 30 minutes by the end of two week
d. walking one continuous mile in 25 minutes by the end of the month

What is the difference between drug misuse and drug abuse?

Which of the following choices are the fat soluble vitamin? a) c b) b6 c) d d) calcium

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