Microvilli are indicated by
a. A.
b. B.
c. C.
d. D.
e. E.
A
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Which vesicular transport process occurs primarily in some white blood cells and macrophages?
a. exocytosis b. phagocytosis c. pinocytosis d. endocytosis
Select the immunoglobin (Ig) classes that is correctly matched to their facts. Check all that apply.
_____ IgA—found in saliva, tears, the GI tract, and mother's milk _____ IgD—serve as receptors on the surfaces of T cells _____ IgE—promotes the release of histamine from mast cells and basophils, causing allergy symptoms _____ IgG—a minor form of immunoglobulin, used only in response to parasitic worms _____ IgM—first secreted during primary response, promotes agglutination, activates complement
Which one of the following statements is TRUE regarding fibrous joints?
A) They are freely movable and can bend and rotate. B) The bones are separated by a fluid-filled cavity that lubricates the joint. C) Fibrous joints present at birth between bones of the skull develop into sutures in the adult. D) The bones are held together by cartilage and tendons. E) They include hinge joints and ball-and-socket joints.
Humans are the sole hosts of Salmonella enterica subtype Typhi (formerly S. typhi).
Answer the following statement true (T) or false (F)