Match the Following Descriptions with the Terms Below (Letters May

question 1

Multiple Choice

Match the following descriptions with the terms below (letters may be used only once) .
-Natural killer cells

• A)Membrane attack complex
• B)Basophil-like cells in tissues
• C)Lymphocyte that lacks B/T markers
• D)Able to bind IgE (Fc end)
• E)Circulating macrophages
• F)Fixed tissue macrophages
• G)Provide protection against helminths
• H)Express CD4 or CD8 markers
• I)Make up 90% of circulating granulocytes
• J)MHC class I restricted
• K)Antibody-producing B cells
• L)Antigen-presenting cell

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Definitions:

Sahelanthropus

An extinct genus of hominids believed to be one of the earliest members of the human lineage, dating back to approximately 7 million years ago.

Hominin Discovered

Refers to the finding of fossils or evidence of ancient human ancestors, extending the understanding of human evolution.

Homo Neanderthalensis

Human species living in Europe and western Asia from about 250,000 to 28,000 years ago; may have interbred with modern humans (Homo sapiens).

Homo Habilis

an early human species known for tool use, existing approximately 2.1 to 1.5 million years ago in Africa.