IgA Proteases Produced by Streptococcus Pneumoniae Mediate All of the Following

question 29

Multiple Choice

IgA proteases produced by Streptococcus pneumoniae mediate all of the following effects except _____.

• A)separation of Fab and Fc regions
• B)interference with FcαR-mediated endocytosis
• C)enhanced adherence of Fab-coated bacteria to mucosal epithelium
• D)preferential cleavage of IgA2 over IgA1.

---

Definitions:

Fluid Lava

Lava that has low viscosity, allowing it to flow readily and cover large areas, often associated with less explosive volcanic eruptions.

Lava Flows

The movement of lava across the surface of the Earth, typically from a volcanic eruption, cooling to form volcanic rock.

Ash Columns

Vertical plumes of volcanic ash and gas that are ejected into the atmosphere during an explosive volcanic eruption.

Lava Domes

Rounded, bulbous mounds of viscous lava that are formed by the slow eruption of lava from a volcano.