According to the Clonal Selection Theory

question 74

Multiple Choice

According to the clonal selection theory

• A) antibodies are modified, at the time of antigen exposure, to specifically react with the antigen.
• B) self-reactive T cells are killed in the thymus.
• C) B cells producing autoantibodies are eliminated in the thymus.
• D) each B cell is already programmed to produce a specific antibody.
• E) self-reactive T cells are killed in the thymus AND B cells producing autoantibodies are eliminated in the thymus.

---

Definitions:

Information Overload

The state of being overwhelmed by the vast amount of information available, making it difficult to make decisions or focus.

Sustainability

The ability to maintain or improve certain processes, systems, or materials indefinitely without depleting resources or harming natural cycles.

Social Commerce

The integration of online social networks with e-commerce, enabling the buying and selling of products and services directly through social media platforms.

Perpetuity

A financial term describing an infinite series of periodic payments or cash flows that continue indefinitely, often used to calculate the present value of such payments.