Answered: Immune systems of animals are very…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Immune systems of animals are very complex. For an animal's immune system to work properly, certain cells must be able to recognize other specific types of cells, so that they can bind to and communicate with them. These types of interactions allow an immune system to decide if and when to launch an immune response.

For example, dendritic cells must be able to recognize and interact with T-cells, but they do not need to recognize adipocyte cells. Which of the following describes a difference between T-cells and adipocyte cells that would allow dendritic cells to recognize one, but not the other?

A. Adipocyte cells must have a cell wall, while T-cells lack one.

B. T-cells and adipocyte cells must have different types of lipids that compose their plasma membranes.

C. Adipocyte cells must lack endoplasmic reticulum, while T-cells possess endoplasmic reticulum.

D. T-cells and adipocyte cells must have some differences in the carbohydrates and/or proteins located on their plasma membranes.

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