How Is a T-Cell Receptor Different from a B-Cell Receptor

question 77

Multiple Choice

How is a T-cell receptor different from a B-cell receptor?

• A) T-cell receptors must have antigen broken down inside a cell and presented to them by a major histocompatibility complex (MHC) molecule.
• B) B-cell receptors must have antigen broken down inside a cell and presented to them by a major histocompatibility complex (MHC) molecule.
• C) T-cell receptors are composed of four protein chains (pieces), while B-cell receptors are composed of only two chains.
• D) T-cell receptors are eventually secreted into the bloodstream by activated T-cells, whereas B-cell receptors are not; they always stay with the B-cell.
• E) B-cell receptors are composed of chains of amino acids, while T-cell receptors are composed of chains of carbohydrates.

---

Definitions:

Heredity And Environment

The interplay between genetic predispositions and external factors that shapes individuals' traits, behaviors, and development.

Generativity Versus Self-Absorption

A stage in Erik Erikson’s theory of psychosocial development where middle-aged adults face the challenge of contributing to the next generation or becoming self-centered.

Industry Versus Inferiority

A stage in Erik Erikson's theory of psychosocial development, typically occurring during childhood, where success fosters a sense of competence, while failure results in feelings of inferiority.

Lifespan Changes

Lifespan changes encompass the physical, cognitive, and socioemotional transformations and development that occur throughout a human's life, from birth to death.