Match the Descriptions with Their Correct Terms

question 1

Multiple Choice

Match the descriptions with their correct terms.
-Helper T cells

• A)T cell lymphocytes that inhibit the activity of B cell lymphocytes
• B)antibodies-IgG, IgE, IgM, IgD
• C)T cell lymphocytes that aid B cells and antibody production; T4 cells
• D)poisons (antigens)
• E)T lymphocytes that directly kill foreign cells; CD8⁺ or T8 cells
• F)antiviral proteins secreted by T cells
• G)transformed B cells that secrete antibodies

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Definitions:

Esker

A long, winding ridge of sand and gravel deposited by meltwater streams flowing beneath a glacier.

Meltwater Channels

Channels formed by the flow of water produced from melting ice or glaciers.

Glacial Sediment

Material deposited by glaciers as they move and melt, ranging from fine silt to large boulders.

Lateral Moraine

Sediment carried in and deposited along the sides of a glacier.