Question 1
Even though mycoplasmas pass through filters that normally trap bacteria, they are known to be bacteria, not viruses, because they
◦ synthesize peptidoglycan.
◦ divide by binary fission.
◦ contain both DNA and RNA.
◦ contain both DNA and RNA and divide by binary fission.
◦ synthesize peptidoglycan and divide by snapping division.
Question 2
Which of the following statements is TRUE regarding infection with
Mycoplasma pneumoniae?
◦ It is diagnosed by the appearance of typical "fried-egg" colonies on agar.
◦ It is extremely difficult to treat.
◦ The causative agent is a fast-growing Gram-positive bacillus.
◦ It causes disease which is usually severe enough to require hospitalization.
◦ The causative agent attaches to ciliated cells in the respiratory tract.
Chain of Infection
Upper respiratory infection
Ratings of Perceived Contradictions in Political Statements
Chain of infection.
Time course of HIV infection.
Sample prescriptions of drugs for oral herpes infection.