You have found a mutant of Streptococcus pneumoniae that has lost the ability to produce a capsule. If you inject this strain into a population of healthy mice, what prediction can you make About the consequences?

Question

Quizplus · Accepted Answer

The capsule of Streptococcus pneumoniae is a major virulence factor that helps the bacteria evade the host's immune system. A mutant strain that cannot produce a capsule is less likely to cause disease, so the mice will likely remain healthy.

You Have Found a Mutant of Streptococcus Pneumoniae That Has