The First of the Hominids to Make Major Migrations Was

question 12

Short Answer

The first of the hominids to make major migrations was ____________________.

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Definitions:

Antigens

Substances that are recognized by the immune system and can elicit an immune response, often foreign proteins or polysaccharides found on pathogens.

Perforin

A protein secreted by natural killer cells and cytotoxic T lymphocytes to kill cells by forming pores in their membranes.

Alpha Interferon

A type of protein produced by the body's immune system, used in the treatment of various infections and diseases, including some types of cancer.

Lymphotoxin

A cytokine produced by certain lymphocytes that can induce cell death and has a role in immune response.