Abuse of what type of prescription drug can lead to heroin use? 1Opioids
2Central Nervous System Depressants
3Stimulants
4Hallucinogens
Huy please

What pharmacological agent serves to reduce the frequency and severity of seizures?

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

In 2009, 40% of all bicyclist fatalities occurred when the bicyclist, the driver, or both vehicle operators were