Which sexually transmitted infection is a leading cause of preventable infectious blindness worldwide?

The body’s first line of defense includes:

Which Gram stain result is characteristic of *Escherichia coli*?

In transmission electron microscopy (TEM):

Which term describes microbes that grow best at moderate temperatures, like human body temperature (37 °C)?

Which technique prevents contamination during inoculation?

Which complication can result from untreated streptococcal pharyngitis?

Which disease is caused by *Corynebacterium diphtheriae*?

Which group requires reduced concentrations of oxygen (~5% O₂)?

Which of the following describes the cellular morphology of *Streptococcus pyogenes*?