Asign of syphilis in the primary stage is: a small painless sore called a chancre. a highly contagious body rash. loss of hair. none of the choices are correct.

Which of the following human diseases is caused by a virus that requires reverse transcriptase to transcribe its genome inside the host cell? a) herpesb) aidsc) smallpoxd) influenza

How you feel when someone is boastful and self absorbed when providing you a professional service? why?

Which disease is a risk for people who don't consume enough iron rich foods? a. bulimia b. heart disease c. anemia d. anorexia