Efflux Pumps

question 44

Multiple Choice

Efflux pumps:

• A) Allow nutrients into the cells through specialized channels in the bacteria's outer membrane
• B) Allow electrolytes into the cells through specialized channels in the bacteria's outer membrane
• C) Act as a semipermeable membrane and maintain the cell's osmotic pressure
• D) Function as transporter proteins involved in the removal of toxic substances from the interior of the cell to the external environment

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Definitions:

King Lalibela

A legendary 12th-century Ethiopian ruler credited with the founding of the rock-hewn churches in Lalibela, a significant Christian pilgrimage site.

Rock-cut Churches

Churches carved out of solid rock, often found in Eastern Christianity, especially in Ethiopia and Cappadocia.

Igbo-Ukwu

An ancient Nigerian culture famous for its sophisticated bronze artworks and advanced metalworking techniques, dating back to the 9th century.

Igbo-Ukwu Tomb

An archaeological site in Nigeria known for its advanced bronze artifacts, dating back to the 9th century AD, demonstrating sophisticated metalworking by the Igbo people.