4T051O Practice Test

Listed below are sample questions for 4T051O from our database. Register now to start taking tests for this AFSC! We have 101 questions currently in the database for this category.

« Return to AFSC List
  • 1 . In the deoxyribonucleic acid (DNA) strand, the purine bases are attached to a backbone made of
    phosphate and sugar
  • 2 . Erythromycin is one of four closely related antibiotics of the macrolide class that are produced by
    Streptomyces erythraeus
  • 3 . The purpose of selective media is to
    inhibit the growth of certain organisms while permitting the growth of others
  • 4 . The discovery of infectious agents was long preceded by the concept of
    contagious disease
  • 5 . The phenetic classification of bacteria is based on
    easily recognizable characteristics that are weighed in importance
  • 6 . Failure to ferment xylose in xylose lysine desoxycholate (XLD) agar results in
    alkalinization of the medium
  • 7 . Antifungal macrolides are
    quite unstable when exposed to ultraviolet (UV) light and mild detergents
  • 8 . What antibiotic is in the glycopeptide group?
  • 9 . What type of tissue can C. trachomatis infect?
    Columnar epithelial
  • 10 . The first notable observation of microbes was made by
    Anton van Leeuwenhoek.