Aperson who develops a rash on the hands, flu-like symptoms, and hair loss about five months after sex with a person who could have had an sti should seek treatment for a possible infection of which of the following diseases?
a. gonorrhea
b. hpv
c. syphilis
d. none of the above

In this model, what do p, s, and a bases represent?

Which of the following could use reverse transcriptase to transcribe its genome? a) ssrnab) dsrnac) ssdnad) dsdna

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