Which type of protein is used by cells of the immune system to distinguish normal cells from foreign or infected cells?

A.   Anchoring proteins
B.   Ligands
C.   Cell adhesion proteins
D.   Identity markers
E.   Transport proteins


D

Anatomy & Physiology

You might also like to view...

You have discovered a novel steroid hormone. You'd like to isolate its receptor as part of your next project. Where should you look first?

A. In the blood stream B. On the cell surface C. In the cytoplasm D. Any of these might be places where the receptor could be found.

Anatomy & Physiology

The stratum ____ is the outermost layer of the skin

a. germinativum b. corneum c. spinosum d. granulosum

Anatomy & Physiology

Levels of ________ could not be measured in a blood sample.

A. amino acids B. glycogen C. fatty acids D. glucose

Anatomy & Physiology

The first antibody class to be released into the bloodstream during an immune response is ________.

A. IgA B. IgD C. IgG D. IgM

Anatomy & Physiology