Harmless things you should really wash your hands after touching

Meg is moderately active and completes 30minutes of daily activity above the baseline level. based on the chart, which activity will not increase megs physical fitness?

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

Effective antiviral drugs are usually associated with which of the following properties? a) interference with viral replicationb) prevention of the host from becoming infectedc) removal of viral proteinsd) removal of viral mrnas