Central Tolerance

question 2

Multiple Choice

Central tolerance

• A)involves regulatory T cells
• B)negative selection
• C)positive selection
• D)A and B
• E)B and C

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Definitions:

Soft-bodied Organisms

Creatures that lack rigid skeletal structures, such as worms, jellyfish, and octopuses, often highlighting evolutionary adaptations.

Surface

The outermost layer or boundary of an object or body, which can interact with the environment or other objects.

Oceans

Large bodies of salt water that cover most of the Earth's surface and play an essential role in the global climate and living habitats.

Billion Years Ago

A time scale used to describe events and processes that occurred a billion or more years ago in Earth's history.