In Reference to the Interaction Between T-Cell Receptors and Their

question 67

Multiple Choice

In reference to the interaction between T-cell receptors and their corresponding ligands,which of the following statements is correct?

• A)The organization of the T-cell receptor antigen-binding site is distinct from the antigen-binding site of immunoglobulins.
• B)The orientation between T-cell receptors and MHC class I molecules is different from that of MHC class II molecules.
• C)The CDR3 loops of the T-cell receptor α and β chains form the periphery of the binding site making contact with the α helices of the MHC molecule.
• D)The most variable part of the T-cell receptor is composed of the CD3 loops of both the α and β chains.
• E)All of the above statements are correct.

Identify the concept of externalities, including positive externalities and negative externalities.

Comprehend how taxes and subsidies are used as tools for government to address inefficiencies in the market.

Recognize different types of pollution and their exclusion from the concept of externalities.

Understand the role of environmental economics in addressing external costs and benefits.