Indicate Which Type of T Cell Is Being Described by Writing

question 152

Short Answer

Indicate which type of T cell is being described by writing the appropriate letter in the blank using the following answer code:
a.cytotoxic T cells
b.helper T cells
c.suppressor T cells
-Called regulatory T cells

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Definitions:

Lancelets

Small marine animals belonging to the subphylum Cephalochordata, characterized by their fish-like shape and a notochord extending the length of their body.

Out-of-Africa Hypothesis

A theory suggesting that modern humans originated in Africa before dispersing to other parts of the world.

Homo Sapiens

The species name for modern humans, characterized by bipedalism and a large brain capacity relative to body size.

Replacement Model

Hypothesis of the evolution of modern humans from archaic species; also called the out-of-Africa hypothesis.