The clumping of foreign cells that occurs when antibodies cross-link their antigens is known as

A.  agglutination.
B.  neutralization.
C.  precipitation.
D.  opsonization.
E.  fixation.


A

Anatomy & Physiology

You might also like to view...

Which serous membrane covers the viscera within the abdominal cavity, and lines the abdominal wall and the inferior surface of the diaphragm?

a) pericardium b) pleura c) mediastinum d) dura mater e) peritoneum

Anatomy & Physiology

What is NOT an effect of parathyroid hormone (PTH)?

A.)increased release of calcium ions from bone B.)increased osteoblast activity C.)increased reabsorption of calcium ions from fluid in the kidneys D.)increased absorption of calcium ions by the small intestine

Anatomy & Physiology

The process of cellular division that leads to the daughter cells containing half the genetic material as the original cell is ________.

A. mitosis B. cloning C. meiosis D. None of these choices are correct.

Anatomy & Physiology

Some reproductive tumors produce hormones. One sign of the presence of a reproductive cancer is a positive result from a basic pregnancy test when pregnancy is not possible/very unlikely. These cancers produce a positive test result because they are secreting

A. estrogen. B. progesterone. C. ADH. D. hCG.

Anatomy & Physiology