How Do Bacteriocins Benefit Bacteria in Their Natural Habitat

question 20

Multiple Choice

How do bacteriocins benefit bacteria in their natural habitat?

• A) They protect the bacteria from the effects of antibiotics in the environment.
• B) They provide a source of nutrients during adverse environmental conditions.
• C) They allow bacteria to compete against other bacteria that may attempt to use the same or similar resources.
• D) They are protective structures that allow bacteria to survive adverse environmental conditions.
• E) They induce resistance in the bacteria, helping them survive when medications are introduced into their habitat.

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Definitions:

MHC Complexes

A family of molecules displayed on cell surfaces that help the immune system recognize foreign substances, including Class I and Class II MHC molecules.

Donor Organ

A healthy organ removed from one person's body (the donor) for the purpose of transplanting it into another person (the recipient) who needs it.

Plasma Cells

Cells that develop from B cells and produce large volumes of antibodies as part of the immune response.

NK Cells

A type of white blood cell known as Natural Killer cells that plays a crucial role in the body's immune response by attacking cancer and virally-infected cells.