The _____ is the bacterial structure that acts as a selective barrier, allowing nutrients to enter the cell and wastes to leave the cell. plasma membrane. nucleoid region. ribosome. pili. cell wall. The structure that regulates the passage of material into and out of this bacterial cell is indicated by the letter _____.
Despite the body of knowledge around it, there was a major uptick in syphilis cases during the 2000s, especially among women ages 20 to 24 and men ages 35 to 39 (CDC). If syphilis goes untreated, the affected person is at risk of developing neurosyphilis.
Syphilis spreads from person to person via skin or mucous membrane contact with these sores. After the initial infection, the syphilis bacteria can lie dormant in your body for decades before becoming active again. Early syphilis can be cured, sometimes with a single injection of penicillin. Without treatment, syphilis can severely damage your heart, brain or other organs, and can be life-threatening, or be passed from mother to an unborn child.