B Cell Receptors Differ from T Cell Receptors in That

question 48

Multiple Choice

B cell receptors differ from T cell receptors in that _______.

• A) B cell receptors are comprised of four polypeptides, whereas T cell receptors have only two polypeptides in their quaternary structure
• B) B cell receptors have two antigen binding sites, whereas T cell receptors have only one antigen binding site
• C) B cell receptors are immunoglobulin in nature, whereas T cell receptors are not immunoglobulin molecules
• D) B cell receptor immunoglobulins can be secreted as antibodies, whereas T cell receptors are never secreted
• E) All of the choices represent differences between B cell and T cell receptors.

Grasp the evolution of American social and cultural dynamics, including immigration trends and demographic shifts.

Evaluate the effects of legislative and regulatory shifts on environmental, economic, and social policies.

Comprehend the role of the United States in global geopolitics, including conflicts and diplomatic efforts.

Assess the impact of electoral politics on policy making and national direction.

---

Definitions:

Figure And Ground

A principle of visual perception that denotes how objects (figure) stand out from their background (ground).

Bottom-Up Processing

An approach to information processing that starts with the sensory input and builds up to the final representation in the mind.

Subjective Contours

Visual illusions that create the perception of an edge or outline where none actually exists, highlighting complex brain functions in interpreting sensory information.

Dark Adaptation

The process by which the eyes become more sensitive to low levels of light after exposure to darkness.