Figure 3-5 -In Figure 3-5,suppose a Change Takes Place and as a and as a Result

question 168

Multiple Choice

Figure 3-5
-In Figure 3-5,suppose a change takes place and as a result a new equilibrium occurs at point D.The change could have been caused by

• A)a reduction in the wages paid to workers in the CD industry.
• B)a decrease in the incomes of consumers.
• C)an increase in the tax on CDs.
• D)an increase in demand for CDs.

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Definitions:

Antigen Presenting Cells

Immune system cells that process and present antigens to T-cells, initiating an immune response.

Cytotoxic Cells

Immune cells that can kill cancer cells or cells infected with viruses by inducing apoptosis.

CD8

A protein found on the surface of T cells, involved in the immune response by identifying and attacking infected or cancerous cells.

Progenitor

An ancestor or parent from which descendants or offspring arise.